This plugin works with following apps available by Samsung Apps store for Gear S2/S3/Sport/Fit 2/Fit Pro: - Filesmaster - Filesmaster Standalone - Music Player S2 Filesmaster is the most extensive and comprehensive file explorer for Samsung Gear S2 smartwatch. 3 in 1: - file explorer, - file viewer/player, - file transfer (sending and receiving files) This is Android plugin to transfer files between Android phone and Samsung Gear S2 paired with iPhone. Note: iPhone's plugin is not available