Android Money-Earning Content App

I need an Android-only mobile application that helps users—and me—earn money through the content it delivers. The core idea is simple: publish engaging “Contant” inside the app and monetise it with a mix of AdMob ads, optional in-app purchases and any other revenue streams you recommend... (Budget: $10 - $30 USD, Jobs: Android, Android App Development, Android Studio, HTML5, Java, Kotlin, Mobile App Development, UI / User Interface)