Took be a little to get the hang of it but I absolutely loved it once I did (also it turned out 0ms delay is best for me in firefox on windows).
The fruit to show what sort of timings to do is a great idea that makes it easy to remember what slashes to perform and is silly fun.
So far my best is 14, I got stumped with how to do pineapple but I'll figure it out soon enough.