The Glamourest Cup2

the application is a game that enable to elect the most beautiful girl/boy based on pics. The election will be done through a tournament. 1st round, 2nd round, quarter finales, semi finals, final. it is an individual game. To choose the participants and create the tournament, people will either choose picture from their phone library or from the application library. When a player launches a tournament, he can see the whole draw. He will have to play all the matches. To play one match, the player taps on it, then he can see the 2 pictures in a duel in a big screen, and he taps on his winner, this, round after rounds until the final. There will be stats etc i need an API to manage the pictures. I need an API to have the analytics on the application (basics ones)