Mobile games in the Resident Evil series via Bluetooth and Single player Training and Coin Shooter mode. As this is a "Vs" title, players can take out other human controlled AI. "Mercenaries Vs." will only run on more up to date versions of Apple's iOS. It will work on iPhone 4, iPhone 3GS, iPad, iPod touch 4th, iPod touch 3rd 16GB and 32GB, or better. It is not compatible with the iPhone 3G, iPod touch 1st, 2nd, 3rd 8GB. "Resident Evil: Degeneration" is the first "Resident Evil" game to be released based on supplementary material and the first game on Nokia N Gage 2.0 system and iPhone
IPhone 3GS more favorable reviews mainly because it comes pre-installed with iOS 4. Jason Snell of Macworld praised the iPhone 3GS, saying that "the device's internal changes shines in the iOS 4 update, making the iPhone 3GS a worthwhile upgrade compared to its predecessor although a little too late compared to the iPhone 4." TIPB stated that "aside from hardware specific features like FaceTime, Retina Display, and gyroscope support, the bottom line is iPhone 3GS users are getting the same software that makes the iPhone 4 great." Shortly after the release of the iPhone 3GS, some users reported overheating of the device