Documentation update

CHANGELOG.md

@@ -24,8 +24,10 @@
 * Removed the ScraperHaltOnInvalidMedia option and corresponding menu entry as it has been superseded by the HTTP error code logic
 * Added a ScraperIgnoreHTTP404Errors option that can be manually set in es_settings.xml to ignore 404 errors (resource not found)
 * Added Mednafen standalone as an alternative emulator for the gb, gba and gbc systems
+* Added Mesen standalone as an alternative emulator for the multivision and sg-1000 systems on Linux, Unix and Windows
 * Added the melonDS DS RetroArch core as an alternative emulator for the nds system
 * (Linux) Added support for the AppImage release of Vita3K
+* (Linux) Added support for the Flatpak release of puNES
 * Added the .zso file extension to the ps2 system
 * Added the .zar file extension to the xbox360 system on Linux and Windows
 * Added the .pk3 and .ipk3 file extensions to the doom system on Linux, Unix and Windows

USERGUIDE-DEV.md

@@ -3202,7 +3202,7 @@ With this option enabled, there will be an overlay displayed when quickly scroll
 
 **Enable virtual keyboard**
 
-This enables a virtual (on-screen) keyboard that can be used at various places throughout the application to input text and numbers using a controller. The Shift and Alt keys can be toggled individually or combined to access many special characters. The general use of the virtual keyboard should hopefully be self-explanatory.
+This enables a virtual (on-screen) keyboard that can be used at various places throughout the application to input text and numbers using a controller. The Shift and Alt keys can be toggled individually or combined to access many special characters. The general use of the virtual keyboard should hopefully be self-explanatory. On Android the virtual keyboard from the operating system will be used if this setting has been disabled.
 
 **Enable toggle favorites button**
 
@@ -3370,7 +3370,11 @@ This setting gives the ability to choose between the controller types _Xbox, Xbo
 
 **Touch overlay size** _(Android only)_
 
-If the touch input overlay has been enabled, then this setting makes it possible to select between a _medium, large_ or _small_ overlay size.
+If the touch input overlay has been enabled, then this setting makes it possible to select between a _medium, large, small_ or _extra small_ overlay size.
+
+**Touch overlay opacity** _(Android only)_
+
+Sets the opacity of the input overlay to _normal, low_ or _very low_.
 
 **Touch overlay fade-out time** _(Android only)_
 
@@ -4040,7 +4044,7 @@ The **@** symbol indicates that the emulator is _deprecated_ and will be removed
 | msx2                  | MSX2                                           | blueMSX                           | fMSX,<br>openMSX **(Standalone)**,<br>openMSX No Machine **(Standalone)**,<br>ares **(Standalone)** | Yes          |                                      |
 | msxturbor             | MSX Turbo R                                    | blueMSX                           | openMSX **(Standalone)**,<br>openMSX No Machine **(Standalone)** | Yes          |                                      |
 | mugen                 | M.U.G.E.N Game Engine                          | Ikemen GO **(Standalone)**        |                                   | No           | See the specific _M.U.G.E.N Game Engine_ section elsewhere in this guide |
-| multivision           | Othello Multivision                            | Gearsystem                        |                                   |              |                                      |
+| multivision           | Othello Multivision                            | Gearsystem                        | Mesen **(Standalone)** [LW]       | No           | Single archive or ROM file |
 | naomi                 | Sega NAOMI                                     | Flycast                           | Flycast **(Standalone)**,<br>Flycast Dojo **(Standalone)**,<br>Demul **(Standalone)** [W] | Yes          | Single archive file + .chd file in subdirectory if GD-ROM game |
 | naomi2                | Sega NAOMI 2                                   | Flycast                           | Flycast **(Standalone)**,<br>Flycast Dojo **(Standalone)**,<br>Demul **(Standalone)** [W] | Yes          | Single archive file + .chd file in subdirectory if GD-ROM game |
 | naomigd               | Sega NAOMI GD-ROM                              | Flycast                           | Flycast **(Standalone)**,<br>Flycast Dojo **(Standalone)** | Yes          | Single archive file + .chd file in subdirectory if GD-ROM game |
@@ -4089,7 +4093,7 @@ The **@** symbol indicates that the emulator is _deprecated_ and will be removed
 | sega32xna             | Sega Genesis 32X [North America]               | PicoDrive                         | ares **(Standalone)**             | No           | Single archive or ROM file |
 | segacd                | Sega CD                                        | Genesis Plus GX                   | Genesis Plus GX Wide,<br>PicoDrive,<br>ares **(Standalone)** | Yes          |                                      |
 | sfc                   | Nintendo SFC (Super Famicom)                   | Snes9x - Current                  | Snes9x 2010,<br>Snes9x **(Standalone)**,<br>bsnes,<br>bsnes-hd,<br>bsnes-mercury Accuracy,<br>bsnes **(Standalone)** [LW],<br>Beetle Supafaust [LW],<br>Mesen-S,<br>Mesen **(Standalone)** [LW],<br>Mednafen **(Standalone)**,<br>ares **(Standalone)** | No           | Single archive or ROM file |
-| sg-1000               | Sega SG-1000                                   | Genesis Plus GX                   | Genesis Plus GX Wide,<br>Gearsystem,<br>blueMSX,<br>ares **(Standalone)** | No           |                                      |
+| sg-1000               | Sega SG-1000                                   | Genesis Plus GX                   | Genesis Plus GX Wide,<br>Gearsystem,<br>blueMSX,<br>Mesen **(Standalone)** [LW],<br>ares **(Standalone)** | No           | Single archive or ROM file |
 | sgb                   | Nintendo Super Game Boy                        | Mesen-S                           | Mesen **(Standalone)** [LW],<br>SameBoy,<br>mGBA,<br>mGBA **(Standalone)**    |              |  Single archive or ROM file |
 | snes                  | Nintendo SNES (Super Nintendo)                 | Snes9x - Current                  | Snes9x 2010,<br>Snes9x **(Standalone)**,<br>bsnes,<br>bsnes-hd,<br>bsnes-mercury Accuracy,<br>bsnes **(Standalone)** [LW],<br>Beetle Supafaust [LW],<br>Mesen-S,<br>Mesen **(Standalone)** [LW],<br>Mednafen **(Standalone)**,<br>ares **(Standalone)** | No           | Single archive or ROM file |
 | snesna                | Nintendo SNES (Super Nintendo) [North America] | Snes9x - Current                  | Snes9x 2010,<br>Snes9x **(Standalone)**,<br>bsnes,<br>bsnes-hd,<br>bsnes-mercury Accuracy,<br>bsnes **(Standalone)** [LW],<br>Beetle Supafaust [LW],<br>Mesen-S,<br>Mesen **(Standalone)** [LW],<br>Mednafen **(Standalone)**,<br>ares **(Standalone)** | No           | Single archive or ROM file |