I think FlorisBoard is a bit outdated / slow updates and doesn't have lots of customization. I see that you're trying to find different keyboards, because you starred lots of repositorys. I also tried everyone of them and spent lots of time, but never found the right one for me until I stumbled across HeliBoard. It's a fork of OpenBoard, which was abandoned, but the fork fixed everything. It's almost a year old and was renamed to HeliBoard 2 months ago.

Here's why its better than FlorisBoard / other keyboard apps:

• Easier to use: It almost has the same UI as FlorisBoard / OpenBoard, but with less buttons and better to use
• More design options: Change style, colors of keys, key background, background, more & keyborders on / off
• More frequent updates

There are more improvements on why it is better than everything else, but you can convince yourself by downloading it here:

https://github.com/Helium314/HeliBoard

Hello. I found that the prompts are not working in your keyboard. As far as I know, they also don't work in FlorisBoard. When typing the word "he", the hints are displayed "he0", "he1", "he3", etc. For the Russian language, they are not displayed at all. Are there any ideas to solve this problem?