To enable bi-directional sync, go to Amber LiFE and choose This Computer.
Navigate to folder you wish to sync, and click on the ellipsis (...) button and choose Sync to Amber.
Choose your Amber and navigate to valid location, and choose Sync Here.
After you've successfully added a folder, you can view them in Sync Pool.
To unsync, follow click on the folder in Sync Pool and choose Unsync.