I am a big fan of pick-up-and-play iOS games. If gaming is done on my iDevice, I am not interested in building up my character or going through training levels. Most popular iOS apps are simple, intuitive, and intriguing enough to keep users coming back for more. Bubblin fulfills all of those criteria.
Since downloading it a few days ago, I have forced family members to watch me play or try their hand at the fun themselves. I really cannot argue with a fun and free addicting app for iPhone...