The latest APK of Link2SD has been released and free download links are available for download. During using internet connection is not available/unstable or Play Store app/services are blocked from internet. Basically it requires a network connection for the first license check. But then you can go offline for a period of time before requiring another license check. Caching is enabled for license check. Link2SD is in fact not licensed/order is incomplete/refunded/canceled. Please open your transactions in "wallet.google.com" and check your Link2SD status is "Complete" If you have invalid Google account on the device Google Play apps are bound to the Google account, if you change it, Play Store can't recognize your purchase anymore.

• Link apk, dex and lib files of apps to SD card 
• Link internal data of apps to SD card
• Link external data and obb folders of apps and games to SD card (Plus)
• Link dex files of the system apps to SD card (Plus)
• Auto clear cache service (Plus)
• Automatically link newly installed apps (optional)
• Move any user apps to SD even though the app does not support moving to SD ("force move")
• Shows the apps that support moving to SD with native app2sd 
• Set the default install location of the apps; auto, internal, or external 
• Batch link, unlink, reinstall, uninstall, "move to SD", "move to phone" functions 
• Notify when movable apps installed 
• Uninstall system applications (bloatware removal) 
• Freeze and un-freeze system and users applications 
• Convert system apps into user apps 
• Convert user apps into system apps 
• Integrate "Updated" system apps into system (ROM) 
• Clear data and cache of the application 
• Batch clear data and cache of the selected apps
• Clear all apps cache at once (1-tap cache cleaner without being root)
• Exclusion list for "Clear all app cache" function
• Clear cache widget (1-tap cache cleaner without being root) 
• Notify if total cache size exceeds specified size 
• Reboot manager includes power off, normal reboot, quick (hot) reboot, reboot recovery, reboot bootloader / download mode
• Reboot widget to boot with one click
• List applications, show detailed size information and link status 
• Wide variety of options to sort and filter apps 
• Search applications by name 
• Display available space information of internal storage, SD card and SD card 2nd partition 
• Share the Play Store link or the APK (app's full package) file of the apps
• Create shortcut for the apps

Please re-add that Google account back to your device and/or select this account in Google Play Store app (side menu => top right arrow next to your Google account). If you are getting too much requests from apps to Play servers for license check. Please try again later (in 10 minutes) This app is a license key only, requires the Link2SD (free) app and turns it into Plus edition, removes ads and unlocks additional features. You will see "Link2SD" on the title in Link2SD (free) app. Now you can download it by managing below download links. The download links are absolutely free and scanned by viruses.