Xiamoi mi box 3 problems

I have a problem in xiaomi mi box 3 and xiaomi mi box s.

I’n mi box 3 this version don’t work it show a error when is installing it. I have try plus and not plus :(.

And in my box s it install, but not work I have try mame and snes and nothing. It load the game shows the screen whith the core game and after a minute or so it crash and send you out to mi box s menu.

Its downloading the app from play store.