Hello and welcome @Latino_Caliente 
I’m using an Honor 9, with Android 9 and Chrome browser:
It could be in your menu as ‘add to homepage’ or similar?
Alternatively, if this is the first time you’ve logged on to the forum on this device you should have had a banner pop up at the top that asked you if you’d like to install the app. If you dismissed it, you can get it back by clearing your cookies. 