How can I create a watchface and install in My kw88 pro

I bought My KW88 pro until 1 year and I want create a watchface with the topic “soviet unión” that i likes. but i need a wear os to install the watchface Wich I create. But the KW88 PRO don’t have wear os.

I need a help with this.

Sorry for my English I am from Bolivia

You can download and install Universal Launcher. It is able to handle .watch- files also.