Saw this on their facebook page. seems like a good freebie.
Have you tested your skills against Memory Flip yet? All winners get a #free $5 Samsung Apps #giftcard! Click here to play now!
Find 8 matching pairs in 60 seconds
When you have won, you're promoted to enter your Samsung account email and country
When will I get my gift card
Entries for 1st week (5/8-11/8): issued 16/8
Entries for 2st week (12/8-18/8): issued 23/8
Entries for 3st week (19/8-25/8): issued 30/8
Entries for 4st week (26/8-1/9): issued 6/9
Some important Terms and Conditions
Promotion period August 5 to September 5, 2013
Giftcard awarded for first win
Giftcard value may differ depending on exchange rate for your country's currency
All winners must have a Samsung account in order to claim the offer
Giftcards are available for Samsung Android OS devices only
very easy. got it