The art looks good so far - but I have to say, I've never seen anything even remotely like this artwork on a set of mah-jongg tiles before. You look more inspired by characters (fictional or real) from ancient China.
Keep going - show us more.
Please note: I moved your deck to the Design and Development board. If you're still polishing the rough edges, you bring it here. When it's going to release or has launched on KS, then you start a new topic on the Playing Card Plethora and continue from there.