Lost purchase issue: please reinstall this pro key from here (Play Store) with the same account you purchased with before. This should fix the issue.
This app now unlocks the full version of NetShare. Please install this key app from Play Store after purchasing. If you haven't installed NetShare.
*. Please first install the free version and making sure it works.
*. After installing the full version key, NetShare will remove the "Unlock full version" button. If that is not happening please contact us. Rare issues in Play Store do happen from time to time. It could also be caused by problem with your Google transaction.