Nitpicks are appreciated! I see it as people saying "I like this project and want it to be improved and expanded upon," which is exactly how I feel about it, too! And that kind of validation is always nice.
I never considered or encountered all the problems you're explaining with the custom text, and I really appreciate you pointing it out! In general, your feedback is heard, and I'm planning on eventually reworking the whole system to be a bit smoother.
Saving custom color presets is another thing I absolutely have planned! There's a couple different ways of implementing it, and I just need to decide which would work best...
That's weird that clicking left does scroll left, even though it disappears. The way it was originally put together, it could only scroll right infinitely, but stays on custom to help make sure you always purposefully change away from it. I'll have to take a look at it, thanks for pointing it out!
I appreciate you pointing out the bit about the heart going outward, too! I think in testing, I used the diamond and circle to make sure it looked smooth, but the heart is thinner at the bottom than those two, so it makes sense that problem lied under the surface. (I'm personally not a big fan of the outward shapes, so I'm not nearly as aware when problems arise from them. Thanks to you and everyone else for pointing them out!)
The color cycling is another good catch and easy fix. Thank you!
Glad you appreciate the game, I very much appreciate the feedback, and keep your eyes open! I hope you (and everyone else) enjoys this project the more it goes on~