I love that it has a ctrl key so i can use ctrl + a/ c/ x/ v etc.

Forward deletion is also rare on mobile, Ctrl + deletion for deleting whole words , arrow keys.

Accessing numbers and symbols all from the main letter view via swiping to the different key corners is a handy solution.

And having just 2 taps to the Bitcoin Unicode Symbol ₿ is also neat.

to access numbers on their dedicated view I swipe to the lower right corner of the ctrl key