Overall, App Creator 24 is a good option for beginners who want to create simple and fun Android apps without coding.
It's the Best no code platform out there it has Free storages free edit interfaces and you can publish the app to the Google play store without any payment also you can create many different apps such as radio apps chat apps HTML games app in just one click
Xamarin.Android - Integrated environment for building not only native Android but iOS and Windows apps too.
Fuse - Fuse is a UX tool suite for mobile app designers and developers.
AppyBuilder - An App Inventor 2 spin-off. Formerly called AILiveComplete.
Dropsource - Mobile development platform for building native iOS & Android apps
RAD Studio - RAD Studio 10.2 with Delphi Linux compiler is the fastest way to write, compile, package and deploy cross-platform native software applications. Learn more.
GoodBarber - GoodBarber is a mobile app creation platform.