I must live in the dark ages--and I can't even claim it's because I'm a Luddite--I'd never seen or heard of this game until I randomly found it on the Kindle game list. Apparently it's been around for years, with a card game by Mattel no less.
I downloaded it on a whim and found it a wonderful time waster for when I want to divert my mind but not think about reading, particularly right before going to sleep. I loved it so much I ended up buying it for my husband's iPad too and then migrated it over to my elderly phone. Naturally the graphics are much better on a color tablet or phone device (iAnything, Android everything) but there is one way the Kindle version is superior...
Basically, the drawback to using the backlit/color screen is that it is so enticing--and the screen so disruptive--that I was having a great deal of trouble falling asleep at night when playing it at bedtime. Even when I put it down my brain was too wired to fall asleep well. I switched back to the Kindle and I was able to play a game or two and then roll over and fall asleep when I needed to. No excess 'backlit screen over-stimulation' worries. I'd never quite believed the claims about the backlit screens, but now I do!
In any case, I love the game, and find the Kindle version is the best one for me to play before bed. My old stand-by Sudoku has definitely taken a back seat to Phase 10!
That said, I find the game enticing any time of the day. If you like Rummy type games or the 'official' mah jong games (NOT the tile matching versions, but the actual game) this is a great deal of fun!
Enticing and fun and highly recommended--particularly this Kindle version if you want to play at bed time and not end up with insomnia!