You can download a trial version of Premiere Rush for free (this plan offers you three exports and 2GB of cloud storage).
If you have the all apps Creative Cloud subscription or the Premiere Pro single app subscription, you don't have to purchase Premiere Rush; it's already included in your plan.
|Purchased from Google Play Store?|
|Purchased from Samsung Galaxy Store?||
If you no longer have a Samsung device, contact Samsung to cancel your Rush subscription.