I picked up this information from Mobileread forums:

This site is very helpful:
http://www.androidfreeware.org/

Apps that work full screen:
Facebook
Google Maps
Twidroid
Dolphin Browser
NewsRob - Google Reader

Apps that work small window:
PaperDroid - RSS Reader

quoted from: ckole
@ https://www.mobileread.com/forums/showthread.php?t=77913