Thanks for your feedback. It's not possible for us to add joypad controls due to the old 2004 engine we are using for this game. Also when we did add them to a solitaire game we made in Unity (Regency Solitaire for Switch) it was a lot of work to do a proper snapping to cards system, with a lot of weird edges cases that took ages to test and fix.)
btw, we just updated the build with a NG+ mode that lets you choose starting level and various other parameters including number of lives (with permadeath when you run out). Also we will soon be adding a hard mode NG+.