On foss category KDE connect. I use my phone as keyboard and mouse to navigate my laptop/PC while sleeping on my beanbag. You could use wireless mouse or keyboard but i find KDE more convenient. Also i can control the media from there
For non foss believe it or not it was google lenses, i used to use Accessibility Button setting floating bubble just for lense easy access from google assistant. They removed it and change it to “Gemini AI” now you need to screenshot and open the separate app.
Before that you just open it from accessibility and just search the screen. Translate, searching products from your screen, copy paste text from image you can do it from there no need for screenshot.
Edit : Just found out that you can change the default assistant function from the assistant app. I can use the lens with accessibility setting again *Horay