Use APKPure App
Get CSGO Ping Monitor old version APK for Android
Check ping to Valve servers right from your phone
This application allows you to check ping to Valve's servers. These servers are used by CSGO, Dota 2 and Team Fortress 2.
The application uses "ping" command. Although it is installed on 99% of the devices, there are devices which use non-standard version of this utility, causing failures. Email me if you have such device.