It's a great plaform puzzle game. If you want to allow people to try online the MSX version without downloading anything, you could put on your website a link to the WebMSX online emulator including a URL to a demo version like this:
https://webmsx.org/?PRESETS=NODISK&MACHINE=MSX1E&ROM=https://roolandoo.itch.io/path_to_your_demo_version