Mobile Mode - A flipswitch appers for switching between the click functions.

50/50 - When two hidden fields adjoin the same number fields there is a 50/50 chance.
Click on the 50/50 button and then on the two fields in order to defuse the bomb.

left click - Reveals a hidden field.

right click - Defuses a field.

double click - Reveals all hidden fields in the area.