Script
Dragonvale.
unless you can get it from your internet from a stupid game.
In my opinion, the best multiplayer game is called: Lightbike 2 (free game)
Temple Run, Sophy Adventures etc.,
Temple Run and Sophy Adventures.
There are many websites that offer free games, Mahjong is a popular game and finding one that has it should be relatively easy. FreeNew has Mahjong game to download for the iPhone and iPad.
Free Play
Crossy road is a game that you can download on your phone,ipad or tablet for free.
Yes, You can not get a Free iPad.
I have many favourite games that are free: -Subway Surfers -Jetpack Joyride -Temple Run
Yes on the iPad alchemy (the name of the game)