Используйте приложение APKPure
Историческую версию Mobile App Prototyping можно получить на Android
Приложение помогает прототипированию всех мобильных приложений
It converts user ideas for app development into prototype.
1) Design your own screen by using the components available for Android. iPhone and Windows mobiles
2) Design as many screens as you want and save them.
3) After completing all the screen designs generate a PDF.
4) The PDF file can be viewed and can be share with any clients.