Application synchronizes music between your mobile device and social network VK.Features:- Two-way synchronization;- Synchronization of music of friends and groups;- Synchronization of albums;- Ability to set directory (for each user and group) in which music will be stored.Usage:1) Enter your account;2) Select tracks for which you want to maintain synchronization. The tab with green arrow shows the tracks to add from VK to mobile device, tab with blue arrow – tracks to add from mobile device to VK.3) Click on the synchronization icon.Result:- All selected tracks that are exists in VK, but not in your mobile device, will be added (or updated if changed) into your device;- All selected tracks that are exists in your mobile device, but not in VK, will be added to VK.Tips:- If you want to keep whole music library in a synchronized state, you must keep all tracks selected;- When changing music directory, all saved tracks will be moved to a new directory;- It is not necessarily to hold the application in expanded state while synchronization is running.