I’ve had my eye on Layton Brothers Mystery Room for a long time because I enjoyed playing Professor Layton in the past. However, I stayed away from this game for a couple of reasons: 1) It was more of a detective game á la Phoenix Wright then a puzzle game and 2) It was a IAP game. I ended up trying it now because it was a game that didn’t require internet connection so I could play it on the plane. I played it on one of my flights the last few months and it basically lived up to what I thought. The gameplay was in Japanese (with requisite English errors), linear and not fun. In order to pass the mission, you have to do things in a certain order, or find some specific thing, which I find limiting and infuriating. Not surprisingly, I didn’t buy any of the IAP to unlock missions after the first 3 (one of which was a tutorial).
I came across Card Crawl while browsing Google Play and it is surprisingly good! It’s a solitaire card game where you attempt to exhaust the deck of your opponent. The rules are pretty straightforward but it involves some thinking to complete the game. If you’re good, you can get a high(er) score and compete against others on the leaderboard. The free part of the game seems to be good enough for casual play and the only criticism I have is that the UI is slow/laggy (too many loading screens).