I just got the Nexus 4 around 6 months back and I am loving it. I have a few games downloaded from a torrent site and I am trying to install them on my Nexus. Games like Modern Combat 4, N.O.V.A. 3 and such. I successfully installed COD: Strike Team but with MC4 and NOVA3 when I install the apk, the installation ends with a message "APP Not Installed". I have the data files of the games in the SD/Android/obb folder, I have ticked allow apps from unknown sources and there is sufficient space (around 2.55 GB) on my phone. Can anyone help me with this because I really want to play those games on my phone. Thanks in advance!