Version 2.0 is available upstream. Please consider updating!
It seems that version 2.0 is available upstream, while the latest version in the Gentoo tree is 1.1. You think this warning is false? Read more about it here.
MTPfs is a FUSE filesystem that supports reading and writing from any
MTP device, as supported by libmtp. MTPfs includes extra features such
as playlist and meta information support for MP3 players.