DoubleTake is described as follows:
DoubleTake is a chilled-out yet frantic pair-matching game based on the classic card game Memory. DoubleTake features shiny graphics, soothing sounds and music, and four different game modes for every skill level. Train your brain or just relax and enjoy the pretty colors.DoubleTake (as the free Matching Game - DoubleTake!) is rated at 4.6 stars in Google Play. It is rated at 3.8 stars in the Amazon Appstore.
Four Ways to Test Your Memory
The four game modes give you a wide variety of matching games. Sprint mode is a super-fast game; you get only one minute to match as many pairs as you can. Your score is based on speed. Timed mode is a little less frantic, but you still have a time limit. When you make matches, you restore your time to the time limit.
Survival mode is more relaxing as there is no time limit, but it's still a challenge. Your health meter depends on accuracy; you lose health points for mismatches, and gain health for fresh matches. Basic mode is the most relaxed mode. Simply match the entire board without penalties for mismatches. Try for the best time and the fewest number of moves.
Build combos for higher scores, and take advantage of the cool power-ups in Survival and Timed modes. DoubleTake improves your memory skills while relaxing your brain.
DoubleTake also exists in the iOS App Store, priced at $2.99. It has a 3-star rating there.
what it means to developers.
Amazon.com opened up the Appstore despite a lawsuit by Apple, which has previously trademarked the term "App Store." Microsoft has filed an appeal against that trademark, saying the term is too generic. Amazon.com has responded to the lawsuit in the same manner.