Whats going on?

Soooo I bought the game and I am waiting for it to load and it just deleted itself. I have restarted my phone just in case it was cuz of my phone. So I redownloaded it and it still deleted itself.. I have really good wifi and I have a lot of space on my phone.. so whats going on??

ᴱᴸᴵᴺ about Grand Theft Auto: Vice City, v1.6