Creating a simple Android app that uses Encrypted Preferences with a Singleton architecture involves several steps. Below is a guide to help you set up this app. We'll use Kotlin for this example. Step 1: Set Up Your Android Project Open Android Studio and create a new project. Select an Empty Activity template. Name your project and choose Kotlin as the programming language. Step 2: Add Dependencies In your build.gradle (app level), add the dependencies for Encrypted Preferences: dependencies { implementation 'androidx.security:security-crypto:1.1.0-alpha03' // Other dependencies } Step 3: Create the EncryptedPreferencesManager Singleton Create a Kotlin file EncryptedPreferencesManager.kt in a suitable package (e.g., com.example.myapp ). package com.example.myapp import android.content.Context import androidx.security.crypto.EncryptedSharedPreferences import androidx.security.crypto.MasterKeys class EncryptedPreferencesManager private constructor(context: Context