Well this is one of the good task performed by google. google Has Added a play (Google play formerly Android Market) button or link to the navigation bar in the hompage As you can see in the below Snapshot :.
So Simply click on the Play link on the menu bar and then You will be landing on their page google play Formerly Android Market.Where u will find huga games and content like music,ebooks applications and manymore.Android Applications too.
Well you know About Android Market it is one of the biggest online store to Download Applications And Games Developed by the Third Party developers etc.
Google play includes Some Apps & games in their Top Free list like