This rerelease of iA Observation, formerly Crypto Observation, will test your memory. If you find the 4 by 4 array to simple, more than double your difficulty with the 6x6 array. Now compatible with the future.
Choose from three themes, nature, food, and space, and either 16 panels or 36 panels. The layout and design has been brought forward as well.
Up to six family members will be able to use this app with Family Sharing enabled.