For a start.

benjaminmage

Which of these platform should i choose to start on my first game salad project so that i achieve optimum graphic resolution across all different screen sizes of android/apple phones.

iphone landscape
iphone portrait
Legacy web game
ipad landscape
ipad portrait
720p hd
macbook
gamesalad arcade
kindle/nook landscape
kindle/nook portrait

Braydon_SFX

iPad orientation. Portrait/Landscape will depend on your game. You can start with iPad and use overscan to make the game run on all devices. Just make sure you place your actors in a way that they don't get cropped out.