https://support.google.com/googleplay/android-developer/thread/324190864/cancellation-refund%E2%84%A2-%F0%9D%98%8B%F0%9D%98%B0%F0%9D%98%A6%F0%9D%98%B4-%F0%9D%98%89%F0%9D%98%B3%F0%9D%98%A6%F0%9D%98%A6%F0%9D%98%BB%F0%9D%98%A6-%F0%9D%98%A8%F0%9D%98%AA%F0%9D%98%B7%F0%9D%98%A6-%F0%9D%98%A2-%F0%9D%98%B3%F0%9D%98%A6%F0%9D%98%A7%F0%9D%98%B6%F0%9D%98%AF%F0%9D%98%A5