micromax a27 doubt?????????????????

well i have bought this new phone micromax a27. it doesn't have any games so i was wondering to download some games. so how can i download games for free. also can i use yotube / facebook/gmail/and google in this phone for free...or very cheaply.....will i have to buy net card???? plzz help me....this is my first phone...and is there something else fun which i can do in this phone????