The logo on top is not what it is, but who owned it originally or supplied it:
http://www.wallstreetinstitute.com/I believe you have a CD32x:
http://www.amigahistory.co.uk/cd32x.htmlRegarding the buttons, I don't know. But the problem with memory will be because this device allocates RAM for the Amiga peripherals it adds to the system. Games that use almost all CD32 RAM will fail.
The box is intended to make the CD32 work exactly like an A1200.