FS-UAE the amiga emulator has been updated this weekend to version FS-UAE 2.5.32dev.
Heres news from their blog
A new development version has been released. Changes in FS-UAE 2.5.32dev:
Choose which monitor FS-UAE appears on in full-screen mode.
Added mime type application/x-adf for Linux desktops.
Updated emulation core from WinUAE 3100.
Changes in FS-UAE Launcher 2.5.32dev:
Added settings GUI control to select full-screen monitor.
Changes in FS-UAE Arcade 2.5.32dev:
Choose which monitor FS-UAE-Arcade appears on in full-screen mode.
They've also updated with Fedora 22 and Debian 8.0 Support today. So if the amiga is your computer of choice, head to their site here!