I bought the in-app sample pack add ons and only successfully downloaded one of four, the Drumaxx. Now as I try downloading the rest I receive a message "There was an error downloading sample. Please try again or ...
Google and tap ' Add account ' from the bottom of the list. Add your google account back with the @gmail.com address NOT any other email.
For MORE HELP see this article - FL Mobile Android Installation Troubleshooting Guide
Image-Line Support Team ...