Some features of DDVK hack are slowly being ported to v3.7. This new hack has been updating more often than Lamy hack which some reported here not working on v3.7.

Need to backup my rM2 on weekend before giving new rM-Hacks a go. https://github.com/mb1986/rm-hacks

Anyone tried rM-Hacks v0.3? New features introduced

• The toolbar may be opened or closed with a one-finger swipe down.
• The Lamy button, in addition to erasing when pressed, toggles the last two tools when clicked