Saturday, July 07, 2012

Amazon Appstore's Free App of the Day, 7/7/2012: Concentrate has promised to make a paid app free every day in the Amazon Appstore, and today's app is Concentrate.

Concentrate is not available in Google Play, and is normally priced at $0.99 in the Amazon Appstore. As we've noted before, there are sometimes differences in pricing and availability between the two marketplaces.

Concentrate is described as follows:
Concentration is a classic memory game using a 52-card deck. If you enjoy playing memory card games, but feel you've outgrown matching cartoon animal faces and fruits, Concentration offers a more aesthetically age-appropriate version of the game you've always loved--but you're five-year old can still play it too.

Flip and Match

The cards are dealt out face-down. The player picks two cards and tries to find a match in rank. If they match, the cards are removed from the game. Otherwise they are flipped back over. The game ends when all cards are removed.

High Scores and Best Time

The simple touch interface allows you to flip cards with a touch of the finger. Compete for the highest score and best time with everyone in the family. Concentration is simple, entertaining, familiar, and great for warming up your memory muscles.
Concentrate is rated at 2.7 stars in the Amazon Appstore.

5% - 15% Off Select TVs
We can't find the app in Google Play. It's the only app we can find in the Amazon Appstore for this developer, too, so we can't find any other apps by the developer in Google Play, either.

Issues include force closing, and that the app doesn't work on a Galaxy Nexus, which is a stock Android phone. We'd pass on this app.

Official Licensed T-Shirts
Those who are considering "buying" a Free Amazon Appstore app might want to consider what it means to developers. 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. has responded to the lawsuit in the same manner.

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