Being subscribed to a board means you are interested in always receiving updates regarding the specific board. Here is how to subscribe to any board from your mobile phone!
Go to your board and click on the three dots located on the upper right of the screen.
Once done, select subscribe and you are done :)
If you have any further questions about how to subscribe to a board on Android pease don't hesitate to contact our customer success team just right here. We are here for you24/7 !