Look at the first image: see the white lines? They indicate that there is no matching color between the adjacent cells. You must tap on the individual squares to rotate them.
There are 120 free levels and I've done all but 4 of them; they can get quite challenging. The first 80 are relatively easy. But it's fun to see how fast you can do them.
I'm thankful: look, this game kept me entertained for at least 2 hours. To show my appreciation, I spent $2.99 for the premium upgrade: no ads and two sets of new levels. On one of them, the white walls are never shown.
Colorazy is in the running for a PAGY Nomination. (Check back here on December 30th.)