Android 9-17 Binary Distribution Build

I have a ready-made cross-platform library that is already live on Google Play and the Apple App Store. What I now need is a clean, distribution-ready binary for Android phones running versions 9 through 17... (Budget: €8 - €30 EUR, Jobs: Android, Android App Development, Android Studio, Java, Kotlin, Mobile App Development, Mobile App Testing, Mobile Development, Software Development, Testing / QA)