Do not assemble more pairs, but assemble the tiles by three! It's a different story, but it's worth a try.
Mahjong (Shumojong)
Mahjong (Aerial Mahjong)
Mahjong (Mahjong 3D)
Mahjong (Mahjong Deluxe)
Mahjong (Mahjong Burger)
Asobuyo Mahjongg