You can start your SPARKFUL Subscription on any SPARKFUL app. Once you've done purhcase, the subscription turns valid.After subscribing, don't forget to register or log in to SPARKFUL! By logging in with the same SPARKFUL ID on multiple SPARKFUL apps, across devices and platforms, you can enjoy the benefits of your SPARKFUL Subscription.
To learn more about the benefits you can get with the SPARKFUL Subscription, please refer to SPARKFUL Subscription.
If your subscription doesn't work, you can try tap "Restore Purchases" on the settings page to restore your subscription.