Here is a perfect example of what can be done for making a great remake.
The game is 100% identical of the origal game but with very better graphics and sounds
Here is the links to download it:
http://www.xmixdrix.com/manicminer/m32setup.exe
It is a very good game, it is a must have game for every retro-gaming (if you have got a spectrum in the past, you know this game
)