Используйте приложение APKPure
Историческую версию Subscription key можно получить на Android
Пожалуйста, не устанавливайте его, если вы не понимаете его.
Please do not install it if you do not understand it.
If you want to subscribe the FiiNote service, please click the link:
https://www.fiinote.com/#price
Note: This app(FiiSubscription) is only for the user who do not have PayPal. If you use PayPal to checkout, you will save 30% off. If you install FiiSubscription by accident please uninstall it from the system applications manager.