i use scriptplayer. There’s a menu option to directly connect to the launch. You just have to have both the video file and script file downloaded
https://github.com/FredTungsten/ScriptPlayer/wiki/Installation
there’s also this big thread, https://discuss.eroscripts.com/t/how-to-connect-your-147-sex-toys-for-interactive-2d-and-vr-including-the-handy-fleshlight-launch-kiiroo-keon-vorze-lovense-and-more-step-by-step-guide-with-pictures/8275?u=hugecat