No Alexa skill in japan?

Hi guys,

I’m living in japan, and recently switched from Google Home Mini to an Amazon echo.
With the Google Home Mini, I can control the Yeelight bulb without any issue, but then I realized the Yeelight skill is not available in japan. Why is it available everywhere except Japan?

Is there any other way I can get Yeelight control with my amazon echo? A way to manually force the skill into the echo maybe?

I know I could log into an US amazon account, but I need my Japanese amazon account to link with my Japanese amazon music and fire TV.