Google Play, iTunes and the Amazon.com Appstore all have free games to play on a tablet, depending on which type of tablet users own. Android users find games at Google Play, iPad users find games at iTunes, and Kindle owners and Android users use the Amazon.com Appstore.
AGame.com carries free online games that can be played on a mobile phone or tablet. PrimaryGames.com offers free games that are playable on a tablet or mobile phone, as well as videos optimized to run on mobile devices. Mobi.Online-Games-Zone.com features free mobile games playable directly on the website without users needing to download any games onto their mobile devices.