emulators: added mgba emulator and links

wiki/games/emulators.md

@@ -16,7 +16,9 @@ Emulator games can even be
 
 ## List of Emulator software
 
-- [Citra](/wiki/games/citra.md) is made to emulate Nintendo 3DS games.
-- [Dolphin](/wiki/games/dolphin.md) is made to emulate Nintendo GameCube and Wii games.
-- [PPSSPP](/wiki/games/ppsspp.md) is made to emulate Playstation Portable games.
-- [Yuzu](/wiki/games/yuzu.md) is made to emulate Nintendo Switch games.
+- [Citra](/wiki/games/citra.md) emulates Nintendo 3DS games.
+- [Dolphin](/wiki/games/dolphin.md) emulates Nintendo GameCube and Wii games.
+- [mGBA](/wiki/games/mgba.md) emulates Nintendo Game Boy, Game Boy Color and Game Boy Advanced 
+  games.
+- [PPSSPP](/wiki/games/ppsspp.md) emulates Playstation Portable games.
+- [yuzu](/wiki/games/yuzu.md) emulates Nintendo Switch games.

wiki/games/mgba.md

@@ -0,0 +1,24 @@
+# mGBA
+
+[mGBA](https://mgba.io/) is a Nintendo Game Boy, Game Boy Color and Game Boy Advanced 
+[emulator](./emulators.md).
+
+## Setup
+
+mGBA can be installed on different systems, a list for this can be found on
+the [mGBA website](https://mgba.io/downloads.html).
+Additionally it can be installed using [Flatpak](../linux/flatpak.md) where the
+package is called `io.mgba.mgba`.
+
+## Usage
+
+The following sections describe specific issues relating to the configuration
+and usage of Dolphin.
+
+### Start Emulated Game in Fullscreen Mode
+
+In different scenarios it can be useful to start directly into a game in fullscreen mode.
+One example would be using the [Steam Deck](/wiki/games/steam_deck.md) to 
+[set up a game in the Steam UI](/wiki/games/steam_deck.md#running-a-game-directly-through-the-interface) 
+so it can be run directly without switching to the desktop mode.
+For this add the `-f` flag for fullscreen mode.

wiki/games/yuzu.md

@@ -1,24 +1,24 @@
-# Yuzu
+# yuzu
 
-[Yuzu](https://yuzu-emu.org/) is a Nintendo Switch [emulator](./emulators.md).
+[yuzu](https://yuzu-emu.org/) is a Nintendo Switch [emulator](./emulators.md).
 
 ## Setup
 
-Citra can be installed on different systems, a list for this can be found on
-the [Yuzu website](https://yuzu-emu.org/downloads/#windows).
+yuzu can be installed on different systems, a list for this can be found on
+the [yuzu website](https://yuzu-emu.org/downloads/#windows).
 Additionally it can be installed using [Flatpak](../linux/flatpak.md) where the
 package is called `org.yuzu_emu.yuzu`.
 
 After installation keys need to be added.
 A guide on this can be found on the 
-[Yuzu website](https://yuzu-emu.org/help/quickstart/#setting-up-the-decryption-keys-and-firmware).
+[yuzu website](https://yuzu-emu.org/help/quickstart/#setting-up-the-decryption-keys-and-firmware).
 
 ## Usage
 
 The following sections describe specific issues relating to the configuration
 and usage of Dolphin.
 
-### Start Yuzu Emulated Game in Fullscreen Mode
+### Start Emulated Game in Fullscreen Mode
 
 In different scenarios it can be useful to start directly into a game in fullscreen mode.
 One example would be using the [Steam Deck](/wiki/games/steam_deck.md) to