I got a pro tip to help games like Dead Trigger and Shadowgun perform better on S3

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http://forums.androidcentral.com – I love these games but was having issues with them. Before this fix even on low settings the games were having framerate issues and had ghosting all over.. I found a fix for them thanks to another user I read. This fixes the issues and should help with other games. Go to settings>developer options>turn on> check disable hardware overlays. Both games now run like a dream. I am assuming other games may have this issue and this may resolve them as well. (HowTos)