An easy way to do this without custom keyboards is to go to "Settings > General > Text Replacement". Add a new one and set "( ͡° ͜ʖ ͡°)" as the Phrase and something like "lenny" as the Shortcut.
Nice idea, I like the clean design it has.
Would Android be supported soon?
An easy way to do this without custom keyboards is to go to "Settings > General > Text Replacement". Add a new one and set "( ͡° ͜ʖ ͡°)" as the Phrase and something like "lenny" as the Shortcut.