FBZX is a ZX Spectrum emulator for FrameBuffer written by Sergio Costasand ported as FBZX Wii to Wii by Oibaf.

Main features:

* Emulates accurately the Original 48Kspectrum (both issue 2 and issue 3), the classic 128K, the Amstrad Plus 2, the Amstrad Plus 2A and the Spanish 128K. This includes screen, keyboard and sound (both speaker and AY-3-8912 chip).
* Screen emulation is extremely accurate, so it can emulate border effects and even attribute effects.
* Supports Z80 snapshots, both loading and saving, and loading .SNA snapshots.
* Supports TAP (both read and write) and TZX (only read) tape files, supporting normal speed loading and fast speed loading.
* Emulates up to 2 joysticks of types: kempston, cursor and sinclair1 and sinclair2.
* All the wiimote, nunchuck and classic controller buttons and joypads are fully configurable.
* Virtual keyboard support.
* Emulates the Interface I and Microdrive.
* Emulates the ULAPlus
* Based in a new, fully free, Z80 emulator (Z80Free).

Changes:

* Virtual keyboard does not stop the emulation
* Support for installation on usb device
* Case insensitive file ordering
* The path in file browsing is remembered
* Changed layout in file selection menu
* Support for Wiiflow
* Option to disable Virtual keyboard rumble

http://wiibrew.org/wiki/FBZX_Wii