if you cant find the game in playstore, go to any browser you have, like chrome, then go to google then search the game you want, example you want to download Temple Run but not showing in the Playstore, now go to the Google then type to the search bar "Temple Run APK OBB" now google gives you the result of the game you are searching, remember to put APK OBB to the title of the game so that Google will know you are searching for the game file
How can I download games
if you cant find the game in playstore, go to any browser you have, like chrome, then go to google then search the game you want, example you want to download Temple Run but not showing in the Playstore, now go to the Google then type to the search bar "Temple Run APK OBB" now google gives you the result of the game you are searching, remember to put APK OBB to the title of the game so that Google will know you are searching for the game file