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
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