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project k


Download Right Brain × Left Brain Right Brain × Left Brain icon
Right Brain × Left Brain

"Let's promote collaboration between your right brain and left brain!" What is the secret of cleverness? Is it that the right brain which manages intuition is developed? Or is it that the left brain which manages logic is developed? In fact, the secret of cleverness is not that one brain is developed, but that both brains can coop…

Free 654 6.6

6.6 Users
Download Learning English literature Learning English literature icon
Learning English literature

While touching the literary masterpiece, do not you study English? Is an app while reading a novel literary masterpiece, you can learn English in a variety of ways, "learning English literature masterpiece". In this application, you will be able to training reading comprehension, force Japanese translation, English translation ability, l…

Free 57 6.2

6.2 Users
Download The Rolling Ball The Rolling Ball icon
The Rolling Ball

This is a simple rolling ball game! If you tip your smartphone, the ball will roll. Let's roll the ball on the fantastic various stages! We have some easy stages and hard stages. Let's practice this game on the easy stages in the first. Stages will be added rapidly from now.

Free 3 2

2 Users


project k has 13 apps available in Google Play.

project k first app (引き出し力トレーニング) was published 4 years ago and the last one (The Rolling Ball) was published 1 year ago .

Android total downloads for project k apps sum 134300 (the most downloaded 現在地の住所・郵便番号検索 for Android).

The average users' rating for project k apps is 3.54/5.

Google Play categories distribution:

  • -1 apps in the category Casual
  • -5 apps in the category Puzzle
  • -6 apps in the category Business
  • -1 apps in the category Education