About a year ago I started a similar thread
Favorite Android Apps (link) others might want to take a peek there are some different apps listed there.
Interesting enough those are still my favorite apps. A few changes only. I've never been good with the concept of "Favorite" more like "Favorites"
*Maps
*Moon+ Reader
*K9 Mail
*Gtask
*Evernote
*Movies
*RepliGO
*Podtrapper
*Soduko
*Agenda Widgets