An "everyone" product. Casual and Hardcore gamers alike, young and old, and it's available on many devices
The Good:
The gameplay is basically a new-school Helicopter, which was one of my favorite games growing up. Jetpack Joyride is simple with a high replayability. The upgrades and missions are what create the high replayability. The missions are basically tasks that create a different focus when traveling through the levels and can be completed by any skill level. From a phone, Playstation Vita to a Kindle, this game is available on many electronic devices. It's not common we see such a simple game that can hold attention for so long.. No matter your skill level, the game can be completed (getting all in game trophies).
The Bad:
I honestly can't think of anything.
I hope they make a sequel. This game is better than most games I pay $10 for.