Samsung will be offering a total of 22 free gifts for the Samsung Galaxy S6. These might vary dependant on region but should include the following –

-VSCO,
-Magisto
-Pac-Man Friends
-The Hobbit: Kingdoms
-Dragons of Atlantis: Heirs
-NYTimes
-The Economist
-Kindle for Samsung
-Audible
-Workout Trainer
-Endomondo
-Uber
-Keepy
-PayPal
-Life360
-LastPass
-Shazam
-Fleksy
-Evernote
-Pocket
-Parallels Access
-Hancom Office

Some of the above offers are similar to those already being offered on the Note 4.

Source – sammyhub.com