You'll have the option to install any supported third-party keyboards, such as the keyboard here for the "Momento" app.
Other iPhone Keyboards
Most of these will be keyboards for specific languages. Scroll through these and select the keyboard you want to install.
- Once you select a keyboard, you'll be redirected back to the list of installed keyboards. Your new keyboard should now appear as a keyboard installed on your iPhone.
Most iPhone users use their iPhones everyday without accessing all of its capabilities.