diff --git a/config/retrodeck/net.retrodeck.retrodeck.mime.xml b/config/retrodeck/net.retrodeck.retrodeck.mime.xml
new file mode 100644
index 00000000..16b743b9
--- /dev/null
+++ b/config/retrodeck/net.retrodeck.retrodeck.mime.xml
@@ -0,0 +1,134 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info">
+    <mime-type type="application/retro-game">
+        <comment>Retro Game</comment>
+        <glob pattern="*.2d"/>
+        <glob pattern="*.2hd"/>
+        <glob pattern="*.2mg"/>
+        <glob pattern="*.32x"/>
+        <glob pattern="*.360"/>
+        <glob pattern="*.3ds"/>
+        <glob pattern="*.3dsen"/>
+        <glob pattern="*.3dsx"/>
+        <glob pattern="*.68k"/>
+        <glob pattern="*.7z"/>
+        <glob pattern="*.88d"/>
+        <glob pattern="*.98d"/>
+        <glob pattern="*.a26"/>
+        <glob pattern="*.a52"/>
+        <glob pattern="*.a78"/>
+        <glob pattern="*.abs"/>
+        <glob pattern="*.adf"/>
+        <glob pattern="*.adl"/>
+        <glob pattern="*.adm"/>
+        <glob pattern="*.ads"/>
+        <glob pattern="*.adz"/>
+        <glob pattern="*.agb"/>
+        <glob pattern="*.apd"/>
+        <glob pattern="*.app"/>
+        <glob pattern="*.arduboy"/>
+        <glob pattern="*.atr"/>
+        <glob pattern="*.atx"/>
+        <glob pattern="*.axf"/>
+        <glob pattern="*.bat"/>
+        <glob pattern="*.bbc"/>
+        <glob pattern="*.bin"/>
+        <glob pattern="*.bml"/>
+        <glob pattern="*.bms"/>
+        <glob pattern="*.bs"/>
+        <glob pattern="*.bsx"/>
+        <glob pattern="*.car"/>
+        <glob pattern="*.cas"/>
+        <glob pattern="*.cbn"/>
+        <glob pattern="*.ccd"/>
+        <glob pattern="*.cci"/>
+        <glob pattern="*.cdi"/>
+        <glob pattern="*.cdm"/>
+        <glob pattern="*.cdr"/>
+        <glob pattern="*.cdt"/>
+        <glob pattern="*.cgb"/>
+        <glob pattern="*.chai"/>
+        <glob pattern="*.chailove"/>
+        <glob pattern="*.chd"/>
+        <glob pattern="*.chf"/>
+        <glob pattern="*.ciso"/>
+        <glob pattern="*.cmd"/>
+        <glob pattern="*.cmt"/>
+        <glob pattern="*.cof"/>
+        <glob pattern="*.col"/>
+        <glob pattern="*.com"/>
+        <glob pattern="*.conf"/>
+        <glob pattern="*.cpr"/>
+        <glob pattern="*.cqi"/>
+        <glob pattern="*.cqm"/>
+        <glob pattern="*.crt"/>
+        <glob pattern="*.cso"/>
+        <glob pattern="*.csw"/>
+        <glob pattern="*.cue"/>
+        <glob pattern="*.cv"/>
+        <glob pattern="*.cxi"/>
+        <glob pattern="*.d2m"/>
+        <glob pattern="*.d4m"/>
+        <glob pattern="*.d64"/>
+        <glob pattern="*.d6z"/>
+        <glob pattern="*.d71"/>
+        <glob pattern="*.d77"/>
+        <glob pattern="*.d7z"/>
+        <glob pattern="*.d80"/>
+        <glob pattern="*.d81"/>
+        <glob pattern="*.d82"/>
+        <glob pattern="*.d88"/>
+        <glob pattern="*.d8z"/>
+        <glob pattern="*.d98"/>
+        <glob pattern="*.dat"/>
+        <glob pattern="*.ddp"/>
+        <glob pattern="*.dfi"/>c
+        <glob pattern="*.dim"/>
+        <glob pattern="*.dms"/>
+        <glob pattern="*.do"/>
+        <glob pattern="*.doom"/>
+        <glob pattern="*.dol"/>
+        <glob pattern="*.dosz"/>
+        <glob pattern="*.dsk"/>
+        <glob pattern="*.dump"/>
+        <glob pattern="*.dx1"/>
+        <glob pattern="*.easyrpg"/>
+        <glob pattern="*.ecm"/>
+        <glob pattern="*.elf"/>
+        <glob pattern="*.exe"/>
+        <glob pattern="*.fdi"/>
+        <glob pattern="*.gb"/>
+        <glob pattern="*.gba"/>
+        <glob pattern="*.gbc"/>
+        <glob pattern="*.gc"/>
+        <glob pattern="*.gen"/>
+        <glob pattern="*.gg"/>
+        <glob pattern="*.fds"/>
+        <glob pattern="*.gdi"/>
+        <glob pattern="*.img"/>
+        <glob pattern="*.iso"/>
+        <glob pattern="*.lha"/>
+        <glob pattern="*.m3u"/>
+        <glob pattern="*.md"/>
+        <glob pattern="*.mdx"/>
+        <glob pattern="*.nes"/>
+        <glob pattern="*.ngc"/>
+        <glob pattern="*.ngp"/>
+        <glob pattern="*.ngpc"/>
+        <glob pattern="*.nsp"/>
+        <glob pattern="*.npc"/>
+        <glob pattern="*.psvita"/>
+        <glob pattern="*.pkg"/>
+        <glob pattern="*.rom"/>
+        <glob pattern="*.rvz"/>
+        <glob pattern="*.sg"/>
+        <glob pattern="*.sgd"/>
+        <glob pattern="*.smd"/>
+        <glob pattern="*.sms"/>
+        <glob pattern="*.scummvm"/>
+        <glob pattern="*.wad"/>
+        <glob pattern="*.wbfs"/>
+        <glob pattern="*.wua"/>
+        <glob pattern="*.zip"/>        
+    </mime-type>
+</mime-info>
diff --git a/net.retrodeck.retrodeck.appdata.xml b/net.retrodeck.retrodeck.appdata.xml
index aeb50bdf..7a641f58 100644
--- a/net.retrodeck.retrodeck.appdata.xml
+++ b/net.retrodeck.retrodeck.appdata.xml
@@ -83,6 +83,7 @@
                <li>New Configurator completely written in GODOT, now with controller support and many more features for you to discover</li>
                <li>Cli entry --configurator now opens the new Configurator, while --legacy-configurator opens the old, zenity, one</li>
                <li>New run game engine added to run games via cli, just run `flatpak run net.retrodeck.retrodeck start retrodeck/roms/system/game.ext`, `--help` for more info</li>
+               <li>MIME Type added: this means that you can "open with" or double click your games and run them via RetroDECK thanks to the engine descripted above</li>
                <li>ES-DE Updated to 3.1.1 with language support and more</li>
                <li>ES-DE main menu tide up, because of our configurator there were too many entries, moved ES-DE specific configs inside a custom menu</li>
                <li>New Theme: RetroDECK now got its own custom theme for ES-DE, do you like it? Feel free to give us feedback</li>
diff --git a/net.retrodeck.retrodeck.yml b/net.retrodeck.retrodeck.yml
index 38b821e4..45499814 100644
--- a/net.retrodeck.retrodeck.yml
+++ b/net.retrodeck.retrodeck.yml
@@ -765,6 +765,7 @@ modules:
       # Desktop entries
       - cp net.retrodeck.retrodeck.desktop ${FLATPAK_DEST}/share/applications/net.retrodeck.retrodeck.desktop
       - cp net.retrodeck.retrodeck.Configurator.desktop /app/share/applications/net.retrodeck.retrodeck.Configurator.desktop
+      - cp net.retrodeck.retrodeck.start.desktop /app/share/applications/net.retrodeck.retrodeck.start.desktop
       - chmod +x net.retrodeck.retrodeck*desktop
 
       # Initializing default emulator configs
@@ -790,6 +791,9 @@ modules:
       - cp config/ruffle/ruffle-rdwrapper.sh "${FLATPAK_DEST}/bin/ruffle-rdwrapper.sh"
       - chmod +x "${FLATPAK_DEST}/bin/ruffle-rdwrapper.sh"
 
+      # Install MIME Type
+      - install -Dm 644 config/retrodeck/net.retrodeck.retrodeck.mime.xml /app/share/mime/packages/net.retrodeck.retrodeck.mime.xml
+
     sources:
       - type: git
         url: THISREPO
diff --git a/retrodeck.retrodeck.start.desktop b/retrodeck.retrodeck.start.desktop
new file mode 100644
index 00000000..bbd7ee81
--- /dev/null
+++ b/retrodeck.retrodeck.start.desktop
@@ -0,0 +1,12 @@
+[Desktop Entry]
+Name=Play with RetroDECK
+GenericName=Play with RetroDECK
+Type=Application
+NoDisplay=true
+Comment=Launch a game with RetroDeck
+Icon=net.retrodeck.retrodeck
+Exec=flatpak run net.retrodeck.retrodeck start %f
+Terminal=false
+MimeType=application/retro-game;
+X-Flatpak=net.retrodeck.retrodeck
+