RocketLauncher support third party communication through a built in message broadcast system.

You can for example build an third party app to pause a game or control any RocketLauncher command from a smartphone.

You also can receive RocketLauncher messages that describes its state, if it started, paused, exit,...

Instructions

Setting your program to receive RocketLauncher messages

You just need to set on RocketLauncher the window name of your program so RocketLauncher is able to send its messages to your app.
Open RocketLauncherUI
On the left pane choose global
Select the General Settings tab
On the RocketLauncher sub tab, go to the Broadcast section
Fill the broadcast window title field with the window title name of your program.

You just need to send one of the bellow listed valid messages to the window named: RocketLauncherMessageReceiver

RocketLauncher Message: Welcome! :) (sent when RocketLauncher starts)
RocketLauncher Message: Goodbye! :( (sent when you exit RocketLauncher)
RocketLauncher Message: Game Paused. (sent when you pause a game)
RocketLauncher Message: Resuming Game. (sent when you resume a game)
RocketLauncher Message System is Available. (sent as a answer to a ping request)
RocketLauncher Message. Current System: SystemName (sent as a answer to a Which system? request)
RocketLauncher Message. Current Game: GameName (sent as a answer to a Which game? request)

command|RLPause (simulate pause key press)
command|RLSelect (simulate select key press) (currently only available on pause)
command|RLUp (simulate select Up key press) (currently only available on pause)
command|RLLeft (simulate select Left key press) (currently only available on pause)
command|RLRight (simulate select Right key press) (currently only available on pause)
command|RLDown (simulate select Down key press) (currently only available on pause)
command|RLExit (simulate select Exit RocketLauncher key press)
ping (message to test the reachability of RocketLauncher. Once received, RocketLauncher will send back the message "RocketLauncher Message System is Available." to all windows configured to receive broadcasted messages on RocketLauncherUI)
Which system? (message to ask RocketLauncher to send which is the current system. Once received, RocketLauncher will send back the message "RocketLauncher Message. Current System: SystemName", where SystemName is the name of the current system, to all windows configured to receive broadcasted messages on RocketLauncherUI)
Which game? (message to ask RocketLauncher to send which is the current game. Once received, RocketLauncher will send back the message "RocketLauncher Message. Current System: gameName", where GameName is the name of the current game, to all windows configured to receive broadcasted messages on RocketLauncherUI)

On the bellow link you can find a small AHK code able to handling the RocketLauncher communication and control commands to serve as example if you want to use this feature by your own.
You just need to set, as explained in the beginning of this page, the Broadcast Window title on RocketLauncherUI to: RocketLauncherController.