1. Playing wifi should not need system upgrade. It's necessary when you use 3dsware, nintendozon and other non-gaming wifi services.
2. iOS never was true gaming device. It has few really interesting games, but they don't depend on graphic power, but a nice idea. Best graphic iphone games are often non-playable because of lack of buttons, low optimalization and low gameplay worth. There are still exceptions, but only several. Otherwise there are 6 different hardware configurations(1. ipod touch 1g or iphone 2g/3g
2. Ipod touch 2g
3. Iphone 3gs/itouch 3g
4. Iphone 4g/itouch 4g
5. Ipad and ipad 3g
6. New ipad, just developed)
, which make appstore divided into each one.
2. iOS never was true gaming device. It has few really interesting games, but they don't depend on graphic power, but a nice idea. Best graphic iphone games are often non-playable because of lack of buttons, low optimalization and low gameplay worth. There are still exceptions, but only several. Otherwise there are 6 different hardware configurations(1. ipod touch 1g or iphone 2g/3g
2. Ipod touch 2g
3. Iphone 3gs/itouch 3g
4. Iphone 4g/itouch 4g
5. Ipad and ipad 3g
6. New ipad, just developed)
, which make appstore divided into each one.












