Do any of you have a hint for me on how end-of-downstroke hooks and small squares' top-right corners are best done (for example the small square in the top-left section of 驚, or the rightmost stroke in 利)?

This sounds like an odd problem, but having used Skritter for half a year now, I still frequently (not always) hang up in these places. Finally I do the downstroke without the hook (getting a "should hook" context help message) just because I am losing patience trying to get it right five times in a row, going from green to red. I know I can reset the evaluation, but it is still irritating. Is there any trick to getting these two right on first attempt? Do any of you experience the same, or is it just me?

Thanks for any tips!

Not sure about the square but I used to have the same problem as you with the hooks at the end of a downward stroke. If I do it correctly it always tells me I'm wrong, so I've gotten used to doing it in a very exaggerated way (i.e. my hook almost goes halfway up the screen again) which Skritter will accept as correct. It's not ideal but still better than being told I'm wrong repeatedly which really ruins any sense of flow that I get going.

Sorry about the hook recognition–it's a tricky thing. Generally, the bigger you make the hook (and the sharper the turn), the easier it will be to get it recognized.

Sometimes when the hook message appears, it's about a Skritter inconsistency rather than a failure to write the character properly.

Example: The Skritter version of the 督 character has a hook in 叔 part. While 叔 always has the hook, 督 usually doesn't have it in TW or on the mainland. So you can safely ignore the hook message while studying that character (unless you explicitly decide to study the HK version, which is of course commendable).

Thanks for the tips-I'll give the hooks some more practice!