can I move Android apps to my SD card?

Yes, but technically, you can’t move all of it; it has to leave a tag in memory. There’s a zillion apps to move them automatically; I use AppMonster Pro, which also stores SDK backups on SD.

 

You can't move pre-installed system apps without rooting the phone. Sorry.

On the other hand, you wouldn't gain space by doing so either. These apps are in a different storage partition from user apps.

 

In itself, no. Rooting just makes it possible to change other things.

There are ways of extending app storage. Some depend on what phone you have, and rooting itself is phone-specific. I suggest visiting your phone's All Things Root forum here to find out more. Do remember that your warranty is void if you root though - read up and understand before rushing in.

 

Unless you root, no, like Hadron says, but if you

 

Actually, in most cases you *can* move the app over, but like you said it does break the functionality. I think some Devs do both widgets and apps to SD and let users choose between the widget and the storage space.