This isn't a spotify/rdio etc competitor. It's just a network music player for Steam. That's all. A dude at valve who likes listening to music while playing videogames probably really wanted to continue listening to music while playing videogames on SteamOS
The problem with this (along with other plans), is that if you get amnesia and forget your password, there may be the chance that you forget where you stored your password as well. So, to be a good plan, it has to involve you either stumbling on to it quickly, or having someone / something tell you it once they get news that you have amnesia.
deflector shields (which was emitted by the deflector dish) which were low powered and meant to deflect small particles and radiation, and defensive shields which were to protect against weapons and were emitted by various shield emitters on the hull. The summary really badly conflates the two.
I imagine the camera API is the biggest reason they went 4.0+ only. Putting version wrappers around all that junk is probably not fun. ABS is fairly rock solid, so I wouldn't really consider that that much a reason to hold back 1/3 of the android market.