WebMSX Git (2016/11/04) is released. WebMSX, or simply WMSX, is a new cross platform MSX emulator designed for the Web. WebMSX is great for displaying MSX software running inside webpages. You can launch the emulator and load ROMs, DSK and CAS images with a single link.

WebMSX Features:
* Show any MSX game/software running with a single link to this page
* Put a MSX computer on your own webpages easily
* 9 Generic machines (MSX1, MSX2, MSX2+). NTSC 60Hz or PAL 50Hz
* PSG, SCC, SCC-I, FM-PAC and MSX-MUSIC sound
* Cross platform HTML5/JS. Runs in any Browser, tested in Chrome/Firefox
* Runs locally with a single HTML file, no install needed
* Play Cartridge ROMs, Disk and Tape images
* Powerful Drag & Drop system for loading media files
* Load several disks at once and easily switch disks
* "Files as Disk" and "ZIP as Disk" emulation
* Savestates support. Export and share Savestate files
* Keyboard, Gamepad and Mouse controllers with auto-detection
* Easily toggle extensions like SCC, PAC, DOS2, etc.
* Adjustable speed, Pause and Frame-by-frame advance
* Copy & Paste text, Screen Capture, Debug modes
* Resizable Screen, Full Screen mode
* Javascript API for loading media and machine control

WebMSX Changlog:
* Mobile GUI (WIP).
Removing centralizations
* Mobile GUI (WIP).
Bar menu position in FF bugfix
* Mobile GUI (WIP).
Gardening
* Mobile GUI (WIP).
Offer to go back to FS if screen is coming back from hidden
* Mobile GUI (WIP).
Positioning, color normalization
* Mobile GUI (WIP).
Touch Controls configuration WIP
* Mobile GUI (WIP).
Touch Controls configuration WIP
* Mobile GUI (WIP).
Touch Controls configuration WIP
* Mobile GUI (WIP).
Touch Controls configuration WIP
* Mobile GUI (WIP).
Touch Controls configuration started
* Mobile GUI (WIP).
Touch Controls configuration started
* Mobile GUI (WIP).
Touch Controls configuration started
* Mobile GUI (WIP).
z-index, positioning
* Mobile GUI (WIP).
Events
* Mobile GUI (WIP).
Events revisit for touch started
* Mobile GUI (WIP).
Adjustments
* Mobile GUI (WIP).
Positioning
* Mobile GUI (WIP).
Mobile detection and launch messages
* Mobile GUI (WIP).
Full screen scroll hack when not by API nor in standalone browser
* Mobile GUI (WIP).
New, more robust, screen readjust strategy
* Mobile GUI (WIP).
Mobile detection and launch messages
* Mobile GUI (WIP).
Mobile detection and launch messages
* Mobile GUI (WIP).
Preparing for mobile detection and launch full screen message
* Mobile GUI (WIP).
Preparing for mobile detection and launch full screen message
* Mobile GUI (WIP).
Fixes
* Mobile GUI (WIP).
New Fullscreen strategy. Preparing for Browser Standalone mode detection with auto full screen.
* Mobile GUI (WIP).
Preparing for separate standalone page
* Mobile GUI (WIP).
Positioning, Bar always present in Portrait
* Mobile GUI (WIP).
Keyboard with larger keys
* Mobile GUI (WIP).
Positioning
* Mobile GUI (WIP).
More buttons, new positioning started
* Mobile GUI (WIP).
Mappings working, keyboard or joystick control possible, solid buttons
* Mobile GUI (WIP).
Bar buttons CSS Static positioning, Virtual Keyboard button
* Mobile GUI (WIP).
Bar buttons CSS Static positioning
* Mobile GUI (WIP).
Maximum VirtualKeyboard width, better positioning
* Mobile GUI (WIP).
Focus, TouchControls reset and visibility, Logo, OSD, PasteDialog position adjustments


Try: WebMSX
Source:Here