everything is binded to your itunes account, like xbox live.
what?
on both xbox live and iTunes, game SAVES are not bound to your account and transfered over to a server for access from anywhere
xbox saves are kept on the hard drive, iPhone saves are kept on flash memory.
now, to answer the OP...
YES your saves will transfer IF YOU BACK UP and then restore from that backup on your new phone
if you set it up as a new phone instead of restoring from a backup, then your saves are toast, unless its a game where the developer keeps saves on a private server that they own just for their app (and i cant think of any that do this)
well i just got my new iphone 4 and did a full backup on my iphone3 then 10min later restored it all on my new phone. my game saves for tap resort and office heros are gone. all the other game saves are fine. which is annoying because so much time was spent on it. yeah lame if you're not into those sort of games but what ever. money was also invested in it. so no need to get snappy at people wanting to clarify the answer properly cause obviously it's not always the case.
well i just got my new iphone 4 and did a full backup on my iphone3 then 10min later restored it all on my new phone. my game saves for tap resort and office heros are gone. all the other game saves are fine. which is annoying because so much time was spent on it. yeah lame if you're not into those sort of games but what ever. money was also invested in it. so no need to get snappy at people wanting to clarify the answer properly cause obviously it's not always the case.
So you've been playing Tap-Ranch for a couple of months on your iPhone 3G. You're two-year contract is up and you want the semi-new iPhone 4 with its bells and whistles...
or
You're tired of inadvertently pressing the wrong item on your farm and having the "Move to Storage?" box pop-up because your fingers are too big (or too clumsy) to play it on an iPhone. You want to move it to your new iPad but don't want to lose the hundred dollar investment of Ranch Bucks you've purchased by starting over.
THERE IS A SOLUTION
I recently asked this question to the people who run Tap Ranch...and they responded:
If you can get us your UDID for the old device and the new device we can transfer your game from our side.
1. connect your device or device to PC or MAc
2. start iTunes
3. click "device" on the left column. This will take you to a new page that has a summary of your device information
4. click on serial number. This will toggle to "identifier (udid)"
5. copy/paste and email us this udid
Reply back and clearly indicate which UDID belongs to which device.
If you don't have your old device anymore, please follow the steps below to find the UDID only if you have previously synced your device to your computer. If you've never synced your phone before, then it's not possible to find the UDID anymore. NOTE: these steps are only for Windows 7. You can still find the UDID if you have a Mac or another windows operating system, but the names of the folders will be a little different. Please ask someone who understands computers more if you need further help.