It would seem that there should be a simple answer to such a question, but no. Before Android Oreo, it was possible to enable real-time display of CPU load in developer settings. But newer versions of the OS were left without this feature.
It would seem that changing the volume level on Windows is not so difficult. Click on the tray icon, mov the slider and you're done. But you can do it even easier.
Psiphon is a VPN service for Windows, macOS, Android, and iOS designed to bypass government blocks across the country.
Monthly collection of useful extensions for Chrome and Firefox from my telegram channel for August 2020. Here you will find a brief description of useful services for your favorite browser.