you go on the app store then updates then click on the app you want to update then tap the update button
Yes, because some games are for only the ipod touch 3.0 version. So you would have more apps to choose from.
any apps for ipod touch 1g, 2g , and 3g will work and new ones
you have to transfer all the apps to a PC and then sync it to the new iPod
settings
The maximum amount of apps that can be put on the iPod Touch is 180. You cannot exceed this amount. However, this cap will soon be raised to 2,160 apps with the addition of folders in the new iPhone OS 4.0 software update being released in the summer.
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An iPod touch is a touch screen ipod that you can play games and email for FREE!, you can download free apps or even buy new ones
The new one has more apps
All apps are stored on iTunes as well just like music, so if you get a new iPod all the stuff on iTunes will be synced to it, including the apps
The iPod Touch software may be out-of-date or may be too new. iPod Touch apps have been known to not open if you do not have the minimum latest version of the 2.0 software, and certain apps will not open if you have 3.0 or 3.1 software.
The standard apps supplied with all new iPod Touch will be the same but users can add their own choice of apps from the thousands available from the App store.
To sync the content and apps on one iPod touch to another, connect the new iPod touch to iTunes, and click restore from backup rather than choosing to set up a new iPod. If you put a password on your backup, enter that now. Then, wait for all of your content, settings, media and apps to sync to your new iPod touch. You can also do this between iPod touch 2nd, 3rd, and 4th generation and iPhones.