diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9889a4f..8a1e9c1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -25,13 +25,14 @@ stages:
 
 lint_job:
   stage: lint
-  image: node
+  image: "reactnativecommunity/react-native-android:latest"
   rules:
     - if: $CI_PIPELINE_SOURCE == "merge_request_event"
       when: manual
     - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
   script:
-    - npm install
+    - yarn install
+    - npx expo install
     - npx tsc
   cache:
     policy: pull-push
diff --git a/app/(tabs)/budget/_layout.tsx b/app/(tabs)/budget/_layout.tsx
index ce907f3..c0835eb 100644
--- a/app/(tabs)/budget/_layout.tsx
+++ b/app/(tabs)/budget/_layout.tsx
@@ -5,6 +5,7 @@ export default function _Layout() {
         <Stack initialRouteName="index" screenOptions={{headerShown: false}}>
             <Stack.Screen name="index"/>
             <Stack.Screen name="addCategory" options={{presentation: "modal"}}/>
+            <Stack.Screen name="editCategory" options={{presentation: "modal"}}/>
             <Stack.Screen name="category" options={{headerShown: false, animation: "slide_from_right"}}/>
         </Stack>
     );
diff --git a/app/(tabs)/budget/addCategory.tsx b/app/(tabs)/budget/addCategory.tsx
index 904f37c..984d98e 100644
--- a/app/(tabs)/budget/addCategory.tsx
+++ b/app/(tabs)/budget/addCategory.tsx
@@ -1,21 +1,23 @@
 import { router, useLocalSearchParams } from "expo-router";
 import { useState } from "react";
 import { SafeAreaView, StyleSheet, Text, TextInput, View } from "react-native";
-import { CustomColorPicker, NavigationButton, TypeSelectorSwitch } from "../../../components";
+import { AutoDecimalInput, CustomColorPicker, NavigationButton, TypeSelectorSwitch } from "../../../components";
+import { addCategory } from "../../../services/database";
 import { useTheme } from "../../contexts/ThemeContext";
 
-const addCategory = () => {
+export default function Page() {
     const {colors} = useTheme();
 
     const parameters = useLocalSearchParams();
 
     const [categoryName, setCategoryName] = useState<string>("Enter Category Name...");
-    const [categoryColor, setCategoryColor] = useState<null|string>(null);
+    const [categoryColor, setCategoryColor] = useState<string>('#' + Math.floor(Math.random()*16777215).toString(16));
     const [selectedType, setSelectedType] = useState<string>("expense");
+    const [amount, setAmount] = useState(0);
 
     return (
         <SafeAreaView style={[styles.safeAreaViewStyle, {backgroundColor: colors.backgroundColor}]}>
-            <Text style={[styles.headingTextStyle, {color: colors.primaryText}]}>Category Editor</Text>
+            <Text style={[styles.headingTextStyle, {color: colors.primaryText}]}>Add Category</Text>
             
             <View style={[styles.containerStyle, {backgroundColor: colors.containerColor}]}>
                 <View style={[styles.textInputViewStyle, {backgroundColor: colors.elementDefaultColor}]}>
@@ -24,6 +26,12 @@ const addCategory = () => {
                     }}/>
                 </View>
 
+                <View style={styles.budgetInput}>
+                    <AutoDecimalInput label={"Allocated:"} onValueChange={(value) => {
+                        setAmount(!Number.isNaN(Number.parseFloat(value)) ? Number.parseFloat(value) : 0);
+                    }}/>  
+                </View>
+
                 <TypeSelectorSwitch 
                 currentSelected={selectedType}
                 handleButtonPress={(type) => {
@@ -32,7 +40,7 @@ const addCategory = () => {
                 />
 
                 <View>
-                   <CustomColorPicker currentColor={categoryColor} handleColorChange={(color) => {
+                   <CustomColorPicker color={categoryColor} handleColorChange={(color) => {
                         setCategoryColor(color);
                     }}/> 
                 </View>
@@ -42,7 +50,7 @@ const addCategory = () => {
                         router.back();
                     }}/>
                     <NavigationButton text="Save" onPress={() => {
-                        console.log("Implement Saving here!");
+                        addCategory(categoryName, categoryColor, selectedType, amount);
                         router.back();
                     }}/> 
                 </View>
@@ -51,8 +59,6 @@ const addCategory = () => {
     );
 }
 
-export default addCategory;
-
 const styles = StyleSheet.create({
     containerStyle: {
         flex: 1,
@@ -82,5 +88,9 @@ const styles = StyleSheet.create({
     textInputStyle: {
         paddingHorizontal: 10,
         fontSize: 25,
+    },
+    budgetInput: {
+        marginBottom: 10,
+        marginHorizontal: 10,
     }
 });
\ No newline at end of file
diff --git a/app/(tabs)/budget/category.tsx b/app/(tabs)/budget/category.tsx
index dc283bf..a58d02b 100644
--- a/app/(tabs)/budget/category.tsx
+++ b/app/(tabs)/budget/category.tsx
@@ -7,12 +7,14 @@ import { useTheme } from "../../contexts/ThemeContext";
 
 export default function Page() {
     const {colors} = useTheme();
-    const {category_guid, category_name} = useLocalSearchParams();
+    const {category_guid} = useLocalSearchParams();
+
+    const {category_amount, category_color, category_name, category_type} = fetchCategoryInformation(category_guid.toString());
 
     const {data, isLoading, reFetch} = useFetch({sql: "SELECT e.guid AS expense_guid, e.name AS expense_name, c.name AS category_name, e.datetime AS expense_datetime, e.amount AS expense_amount, c.color AS category_color FROM expense e JOIN category c ON e.category_guid = c.guid WHERE c.guid = ? ORDER BY expense_datetime desc;", args: [category_guid]});
 
     const handleEditCategory = () => {
-        console.log("edit category");
+        router.push({pathname: "./(tabs)/budget/editCategory", params: {category_guid: category_guid, category_color: category_color, category_amount: category_amount, category_name: category_name, category_type: category_type}});
     }
     
     const handleBackButton = () => {
@@ -54,6 +56,25 @@ export default function Page() {
     );
 }
 
+const fetchCategoryInformation = (guid: string) => {
+
+    const {data} = useFetch({sql: "SELECT * FROM category WHERE guid = ?", args: [guid]});
+
+    let category_name = "";
+    let category_color = "";
+    let category_amount = 0;
+    let category_type = "";
+
+    if (data && data[0]) {
+        if ("name" in data[0]) category_name = data[0].name as string;
+        if ("color" in data[0]) category_color = data[0].color as string;
+        if ("allocated_amount" in data[0]) category_amount = data[0].allocated_amount as number;
+        if ("type" in data[0]) category_type = data[0].type as string;
+    }
+    
+    return {category_name, category_color, category_amount, category_type};
+}
+
 const styles = StyleSheet.create({
     safeAreaView: {
         flex: 1,
diff --git a/app/(tabs)/budget/editCategory.tsx b/app/(tabs)/budget/editCategory.tsx
new file mode 100644
index 0000000..b3b8ec7
--- /dev/null
+++ b/app/(tabs)/budget/editCategory.tsx
@@ -0,0 +1,96 @@
+import { router, useLocalSearchParams } from "expo-router";
+import { useState } from "react";
+import { SafeAreaView, StyleSheet, Text, TextInput, View } from "react-native";
+import { AutoDecimalInput, CustomColorPicker, NavigationButton, TypeSelectorSwitch } from "../../../components";
+import { useTheme } from "../../contexts/ThemeContext";
+
+const addCategory = () => {
+    const {colors} = useTheme();
+    const {category_guid, category_amount, category_color, category_name, category_type} = useLocalSearchParams();
+
+    const [categoryName, setCategoryName] = useState(category_name.toString());
+    const [categoryColor, setCategoryColor] = useState(category_color.toString());
+    const [selectedType, setSelectedType] = useState(category_type.toString());
+    const [amount, setAmount] = useState(Number.parseFloat(category_amount.toString()));
+
+    return (
+        <SafeAreaView style={[styles.safeAreaViewStyle, {backgroundColor: colors.backgroundColor}]}>
+            <Text style={[styles.headingTextStyle, {color: colors.primaryText}]}>Edit Category</Text>
+            
+            <View style={[styles.containerStyle, {backgroundColor: colors.containerColor}]}>
+                <View style={[styles.textInputViewStyle, {backgroundColor: colors.elementDefaultColor}]}>
+                    <TextInput placeholder={categoryName} placeholderTextColor={colors.secondaryText} style={[styles.textInputStyle, {color: colors.primaryText}]} onChangeText={(newName: string) => {
+                        setCategoryName(newName);
+                    }}/>
+                </View>
+
+                <View style={styles.budgetInput}>
+                    <AutoDecimalInput label={"Allocated:"} onValueChange={(value) => {
+                        setAmount(!Number.isNaN(Number.parseFloat(value)) ? Number.parseFloat(value) : 0);
+                    }}/>  
+                </View>
+
+                <TypeSelectorSwitch 
+                currentSelected={selectedType}
+                handleButtonPress={(type) => {
+                    setSelectedType(type);
+                }}
+                />
+
+                <View>
+                   <CustomColorPicker color={categoryColor} handleColorChange={(color) => {
+                        setCategoryColor(color);
+                    }}/> 
+                </View>
+
+                <View style={styles.navigationButtonViewStyle}>
+                    <NavigationButton text="Back" onPress={() => {
+                        router.back();
+                    }}/>
+                    <NavigationButton text="Save" onPress={() => {
+                        console.log("Implement Saving here!");
+                        router.back();
+                    }}/> 
+                </View>
+            </View>
+        </SafeAreaView>
+    );
+}
+
+export default addCategory;
+
+const styles = StyleSheet.create({
+    containerStyle: {
+        flex: 1,
+        margin: 10,
+        borderRadius: 10,
+    },
+    safeAreaViewStyle: {
+        flex: 1,
+        flexDirection: "column" 
+    },
+    headingTextStyle: {
+        fontSize: 40,
+        fontWeight: "bold",
+        alignSelf: "center",
+        marginVertical: 10,
+    },
+    navigationButtonViewStyle: {
+        flexDirection: "row",
+        justifyContent: "center",
+        marginBottom: 10,
+    },
+    textInputViewStyle: {
+        borderRadius: 10,
+        paddingVertical: 10,
+        margin: 10,
+    },
+    textInputStyle: {
+        paddingHorizontal: 10,
+        fontSize: 25,
+    },
+    budgetInput: {
+        marginBottom: 10,
+        marginHorizontal: 10,
+    }
+});
\ No newline at end of file
diff --git a/app/(tabs)/budget/index.tsx b/app/(tabs)/budget/index.tsx
index 9131dc7..3f2aa97 100644
--- a/app/(tabs)/budget/index.tsx
+++ b/app/(tabs)/budget/index.tsx
@@ -38,7 +38,7 @@ export default function Page() {
     };
 
     const handleCategoryPress = (item: {[column: string]: any;}) => {
-        router.push({pathname: "/(tabs)/budget/category", params: {category_guid: item.category_guid, category_name: item.category_name}})
+        router.push({pathname: "./(tabs)/budget/category", params: {category_guid: item.category_guid, category_name: item.category_name}})
     }
 
     return (
diff --git a/components/budget/categoryItem.tsx b/components/budget/categoryItem.tsx
index 6c29e14..d64a29b 100644
--- a/components/budget/categoryItem.tsx
+++ b/components/budget/categoryItem.tsx
@@ -16,12 +16,12 @@ const CategoryItem = (properties: CategoryItemProps) => {
   
     const { colors } = useTheme();
 
-    const subText = `${properties.total_expenses} / ${properties.allocated_amount} €`;
+    const subText = `${properties.total_expenses.toFixed(2)} / ${properties.allocated_amount} €`;
 
     return (
         <TouchableOpacity onPress={properties.onPress}>
             <CustomCard style={styles.customCardStyle}> 
-                <View style={[styles.colorTipStyle, {backgroundColor: "blue"}]}/>
+                <View style={[styles.colorTipStyle, {backgroundColor: properties.color}]}/>
                 <View style={[styles.textViewStyle]}>
                     <Text style={[styles.categoryNameStyle, {color: colors.primaryText}]}>
                         {properties.category}
diff --git a/components/budget/customColorPicker.tsx b/components/budget/customColorPicker.tsx
index b78e1b4..f601f12 100644
--- a/components/budget/customColorPicker.tsx
+++ b/components/budget/customColorPicker.tsx
@@ -2,14 +2,14 @@ import { StyleSheet } from "react-native";
 import ColorPicker, { BrightnessSlider, HueSlider, Preview, SaturationSlider, } from "reanimated-color-picker";
 
 export type CustomColorPickerProperties = {
-    currentColor?: string | null,
+    color: string,
     handleColorChange: (color: string) => void | undefined,
 }
 
 const CustomColorPicker = (properties: CustomColorPickerProperties) => {
     return (
         <ColorPicker
-        value={properties.currentColor ?? generateRandomColor()}
+        value={properties.color}
         onChange={(color) => {
             properties.handleColorChange(color["hex"])
         }}
@@ -30,10 +30,6 @@ const CustomColorPicker = (properties: CustomColorPickerProperties) => {
     );
 }
 
-const generateRandomColor = (): string => {
-    return '#' + Math.floor(Math.random()*16777215).toString(16);
-}
-
 export default CustomColorPicker;
 
 const styles = StyleSheet.create({