I have 5 different design regarding earning app if u can send a message i will show you all the different designs I can do this app easily as i have already done this kind of apps easily and i have an experience of developing 3 years and i have developed almost all kind of apps.
ihave many application for android :-
flappy bird
space ship
chat massenger
question and answer
bird fall dawn
the ghost
choose any app from this
thank you