Unabke to play game with .obb cache file

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http://androidforums.com – My tablet device is Micromax funbook talk p350 ,android ICS version 4.0.3 . I cannot play games with .obb files. I don't have wifi connection . I have tried following things to play games with cache( for example, installing "dead trigger" 1) placed .obb file in com.madfingergames.xyz folder and placing it as follows- sdcard/android/data/obb/co.madfingergames.xyz/aabbn.obb 2) placed .obb file as follows - sdcard/android/data/com.madfingergames.xyz/aabbn.obb 3) placed.obb file in data'folder of device after installing .apk- //data/data/com.madfingergames.xyz/aabbn.com The path of (General)