i like to experiment with all versions of pencilmadness. since feb-2022(devices): 1) no "mark" - pc (firefox - modern web-app or old flash-version); 2) SZ3C(a) - sony xperia z3 compact (chrome-browser or old android app); 3) SZ3TC(a) - sony xperia z3 table compact (chrome-browser or old android app); 4) SZ5C(a) - sony xperia z5 compact (chrome-browser or old android app); 5) G32M(a) - samsung galaxy 23m (chrome-browser or old android app).