GameSalad

GameSalad is an amazing free android app maker used to create and publish games for Android, iOS, HTML5 and macOS platforms. If you are looking for mobile app development without coding knowledge, GameSalad is a good platform for creating app without coding by using a drag and drop interface.

Working methods include editing characters in scenes, functions, sound design and transitions between characters. This constructor includes drag and drop components, in-app purchases, and the GameCircle API.

The platform also includes a forum where you can listen to other users who can help you build your application. It's a zero cost app development platform for beginners but costs $299 per year.