Here's some more apps that work on my Ermine PE:

On and off-line Mapping Software (both free):

gVSig
Locus (better of the two, in my opinion)

Reference:
Oxford English Dictionary
First Aid
Math Formulary
The Elements Lite
Speed Anatomy (but why you'd want to run this, I'm not really sure - way hard to use and v. poor graphics)

Communications:
CSipSimple
GoogleVoice
Facebook

Tools/Productivity:
World Clock
Google Voice Search
Lookout anti-virus
ScanLife
Tag ToDo
ColorNote
DropBox
Talk To Me Cloud
VocaNote (though not tested extensively yet)
ThinkingSpace
Circle Launcher

Media:
NubiNews (newspaper article downloader)
Doggcatcher (podcast and rss feed downloader)
Freedi YouTube Downloader
Mainichi Eigo News (Japanese news in English)
NHK Video News
SPB TV 2.1
World Newspapers
Real Player

Readers:
FBreader
Azure Ruby (for reading Japanese language books)
Wattpad

Markets:
SlideMe SAM 4.0

Japanese learning software:
JLPT Practice
Kana Quize
Kanji Companion
Kanji Flashcards
Kanji_f_m
Write Kanji
Survive!
1,2, 3000 Kanji
Aedict
Elementary Kanji
Jishop
Good Character
Kanji Recognizer
HanWriting (Kanji input)

Games:
Aporkalypse - Pigs of Doom
BoggleDroid
BubbleBlast (slow)
BubbleBlast2
CrazyBird
DinerDash2
Jewels
Angry Birds Rio (I got regular Angry Birds to work before Ermine, but now not so much)
Picranium Lite
Sketch the Pic
Pirates and Traders
Solitaire Free Pack
The Sims3
Traffic Jam
Zenonia 2
Age of Conquerors
Farm Frenzy
Farm Tower
Majesty
Griddlers
Trixor Lite
Zuma's revenge
Japanese Crossword
Untangle me
WheeltoRiches
Mousetrap
Rufio (Mario-type game)
Dark Nova 1.5 (not nearly as cool as it sounds)
SimCity Metropolis
Galataxi (also not as cool as it sounds)

Other:
NASA images

And a whole bunch more stuff that I'm forgetting at the moment.