it usually happens just on the device. But that's why we always back things up right?
Did you do a factory reset after doing the update?
I use launcher pro + instead of the basic main page. That way I can load up 3 screens and have scrollable widgets on the bottom for quick access to facebook, youtube etc.
you'll want the amazon kindle app. free from amazon site. here's a link to the daily free Kindle books. I check it every day. Once in a while they'll throw in a really good book.
http://www.daily-free-ebooks.com/ There are tons of free apps out there. I'm not into wordsearch, but I know they're out there. There's a download for amazon droid apps too. Lots of free apps. Just don't expect the iq to do racing games or angry birds. It won't. Hope this helps you, if not let me know and I'll find the urls so you can get what you want.