Android devices use virtual keyboards because there is no physical keyboard. The google playstore is full of options to choose from in keyboards.
A list of the most commonly used keyboard apps
Gboard (1 billion installs)
Swiftkey(500 million installs)
Fleksy(5 million installs)
ginger (5 million installs)
grammarly(5 million installs)
chrooma(1 million installs)

Which keyboard are you currently using? Are you using any theme with it? Why do you think it is superior to the others?
Check out this video for a fresh take

https://www.youtube.com/watch?v=sda3jcOi2Wc