It's free. If you don't like it, uninstall it.
It has been getting decent review from AC and a few other sites. Still Angry Birds. If you didn't like the originals, you probably won't like this. For a free game, worth a trial run.
The Commandments of Android
1) Open RAM is wasted RAM - Don't use Task Killers
2) Cheap devices are cheap for a reason. Don't expect high end performance.
3) Boot Loop = Wipe.
4) There are no viruses for android.