This is THE required tool to hack SMW.
This release of Lunar Magic adds support for language packs, which allows displaying Lunar Magic’s interface in a different language. This version also adds a few extra layer 2 and 3 scroll speeds, separate settings for vertical and horizontal layer 2 scrolling, makes “Auto-Set Number of Screens” a per-level setting, and several other smaller additions and fixes.
Read the “What’s New” section of the help file for more details.
Check release site for latest update.
Relevant link: https://fusoya.eludevisibility.org/lm/index.html
File download:
