Accessibility Menu help us to control our settings ex: volume, lock screen, screenshot, brightness, quick setting & much more on the side of hands. Here is the tutorial how you can enable this option on your android device
# First go to your App Drawer 👇
# then click on the setting 👇
# now Scroll down and click accessibility setting 👇
# now you need to scroll down again and click on the accessibility menu 👇
# Now for showing accessibility menu on your phone bottom right click on toggle button switch on accessibility menu. 👇
Now enjoy your accessibility menu.