Making an app like S.M.T.H

Hello everyone!
Am new here and am asking about how i can create an app like this:

Please if anyone have an idea about how i could make an app where the layer throws his phone as high as he can. The higher, the better. The phone registers the height and uploads result to leader boards. World Top 10, Week Top 10, Day Top 10, Local Top 10 (national) and Facebook Friends lists available.

I will be very happy if anyone i got any reply.

Sans titre

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