App Description

a mind game

there are many memory tests
4 books in a line
remember the open book on position 1-4

after the positions of the open book in the numerical
order be queried

by right answer you go forward
by mistake you fall back

iPhone Screenshots

(click to enlarge)

book mind game screenshot 1 book mind game screenshot 2 book mind game screenshot 3

App Changes

  • April 28, 2014 Initial release
  • April 29, 2014 Price increase: FREE! -> $349.99
  • September 15, 2014 Price decrease: $349.99 -> $99.99
  • October 18, 2014 Price decrease: $99.99 -> $0.99
  • October 22, 2014 Price increase: $0.99 -> $59.99
  • November 04, 2014 Price decrease: $59.99 -> FREE!
  • November 08, 2014 Price increase: FREE! -> $59.99
  • March 01, 2015 Price decrease: $59.99 -> $0.99