You're doing piracy and that isn't allowed in the XDA forums (I assume you at least have read the forum rules when you registered). However, are you aware that Asphalt 8 is free in Play Store, right? Uninstall the APK you got and remove the files you copied to OBB folder. Then, just download the game for free, directly from Play Store...
Sony Xperia M dual [C2004]
ROM: 15.5.A.1.5 (stock)
Android version: 4.3 (rooted)
Bootloader: locked (unlockable)