Https://push2run.com/ with mqtt set up, and nircommand for advanced stuff like keystrokes/screen control. Source: about 1 year ago

I have a working solution, though it's not as good as things were before. In IFTTT, I have 'If [Google assistant V2] activate scene ('Hibernate my computer') Then [Dropbox] create a text file. Running on my computer, I have Dropbox and Push2Run. Push2Run monitors the creation of the file and can sleep/hibernate/shutdown your computer (though each will now need a separate applet in IFTTT). You can find... Source: almost 2 years ago

On my PC I am running some freeware I wrote, push2run.com , which lets my PC subscribe and react to that MQTTT event. Source: about 2 years ago

If you have a Windows computer you can control it with the help of some free software I wrote, it's called Push2Run and you can find out more about it here: https://push2run.com. Source: over 2 years ago

RemoteMouse (remotemouse.net) I did it through wifi, there's no noticeable lag. It has left-click if you hold, and rightclick if you press hard or hold long (but that didn't work as well). Source: over 1 year ago

There's this remotemouse.net which would make my iPhone function as a trackpad/mouse. Source: almost 2 years ago