I cant use it ;/

I downloaded it just to watch kendall and kylie jenners keeks but after some time I wanted to make some keeks of myself...and then it comes that I can start filming but I cant stop it!!! Dont work at all!!! So I am asking keek why can I download you to iphone 3g but cant use you on it?!!! Great jobbb! :/

Agata37273 about Peeks Video Social Network: Watch & Share, v2.2.2