Most of the products you mentioned have been discontinued, but I still tell you: 9288 t. If it is an electronic dictionary: 66988. A3 and A4 also have transplanted rpg games, which can be found in the forum. Club.bbkbbs.com put them at the top of the dictionary section. You can ask questions in the dictionary area. Never buy a2 and a8, there are no games. (At present, most BBK learning machines are handwritten by color screen, and the government is also developing in this direction. )