Firefox 57 is the biggest revamp to Mozilla’s browser since Firefox 4. Not only will v57 drop support for legacy add-ons, but it’s expected to include massive changes to the interface and some performance boosts. We already covered the design changes to the Android browser, but now the bookmark manager is getting a facelift too.
The bookmark manager in Firefox 55 (the current stable release) is pretty limited. While you can create and edit items just fine, you can’t do anything with folders.
Firefox Nightly for Android has an improved bookmark manager was written by the awesome team at Android Police.