Amibian is everything you need to transform your Raspberry Pi 3 into an Amiga. In this tutorial, I'll show you how it works, and how to set it up!
Amibian Download: http://gunkrist79.wixsite.com/amibian
Win32DiskImager: https://sourceforge.net/projects/win32diskimager/
SD Card Formatter: https://www.sdcard.org/downloads/formatter_4/
Kickstart ROMs: https://play.google.com/store/apps/details?id=com.cloanto.amigaforever.essentials