So far I have been able to install following on the 8220:

1. Berry411
2. Google maps
3. Yahoo messenger (latest version).
4. CNN mobile.

Couldn't install following:
1. Packman
2. BBWeather
3. BBToday
4. Ka-Gloom!
5. Medieval King Chess 2

Still need to try following (were free for the Pearl)
1. ColorPearl
2. MetorCrusher
3. Bass Assassin
4. Raging Rivers
5. Circle Popper


I had all the above for free on my Pearl.