Why are some games not compatible with my Samsung S5 and S Duos?

[AC Question]

i am using samsung s5 and sduos

if i go to play store in samsung s5 some games are not compatible with my device but that same game is sporting in sduos why??????

 

[B. Diddy]

Re: i am using samsung s5 and sduos

Welcome to Android Central! Which exact S5 model do you have? Perhaps there's some kind of regional incompatibility.