Well, its maybe not very safe since the app saves your login details. In my case I don’t care since my server is not accessible online, just in our home intranet. But it is super useful if you have some commands you repeatedly run. I’ve been wanting to setup a script to run my backup process fully automated so I could just start it via the app, haven’t had time to do that yet.
I’ve been using it as my main keyboard for a while now. It does work well enough, but yes, lacks some features and I am also concerned why its not updated anymore.