ZX Spectrum

FBZX wii has 2 GUIs. One is accessible from the keyboard through the Function Keys (F1 for help) and one from the wiimote pressing the home button.

From the wiimote press 1 or A to select an item and 2 or B to come back to the previous menu. Press the “+” button to access the virtual keyboard which uses wiimote IR pointer or point the wiimote at the screen (it depends on the configuration).

Zx Spectrum Games

Click to enlarge
Click to enlarge

For full details https://wiibrew.org/wiki/FBZX_Wii