Google+

Google+ is Google's latest attempt to create a social network and from what i have heard and seen it does have something over facebook so will kill facebook only time will tell

Check out the video below and I will post more when i get an invite

google star map fo android

http://market.android.com/details?id=com.google.android.stardroid

A great app that shows the stars in the sky they're position and name check it out