I'm looking to purchase the Poweramp Unlocker through the website and had a question about activation. The device I'm looking to use Poweramp on won't be connected to WiFi at all (offline library only). My question is, asides from the first activation/installation of Poweramp, will I need to constantly connect to WiFi to revalidate/re-sign/re-check the activation? I know some apps have a license check every X amount of days, but my device will be completely offline after initial setup and sometimes will not have WiFi access at all for long periods of time. TIA