Sign I cannot install google play or login into Google account?

I have Galaxy S4 I337 it is American Att unlocked and rooted cellphone.
I installed custom modded google play installer because i was having google play crashes again and again.
Now i cannot find Phonesky.apk or odex file. When i do a factory reset google play isn't there neither i can sign into google play account if i install google play manually i cannot sign in.
Please help me i cannot install any app.