Install Boltz Pro as app on your phone? Yes, sir. Open pro.boltz.exchange and follow these instructions:

📲 Install as App | Boltz Web App

Boltz Web App Docs

Dude no. That's not an app. Thats a browser shortcut pretending to be an app. I can't use your site because it's demanding WebAsembly or whatever, i ain't gonna turn down my browser security to use your site, that's why i asked for an app.