The Bitfocus Companion app is a great way to control OBS (and others) from a laptop, tablet, or old phone! In many cases, it's an outright replacement for the Stream Deck, but can be used with the device as well.
Software used in this clip: obs-websocket - OBS plugin that allows remote control over a network Bitfocus Companion app - create multi-function buttons to control OBS and many others
