To tweak this, go to Gboard Settings > Preferences and change the Touch and hold duration. It's set to 300ms by default, but ...

You can easily update Gboard on your Android via Google Play store in two simple steps. Here's how to do it.

Every Android phone comes with a default font size, but what works for one user might not work for another. Some people prefer larger, bolder fonts. Others might be able to read smaller text just fine ...