IGO installed with North America Map. Mine is Captivate stock with 2.2. Here are what you need:
(1) sideload wonder machine
AC Sideload Wonder Machine for Windows - Android Forums
(2) IGO Amigo
iGo Amigo (800x480!) v.8.4.2.139242 Android OS
(3) Noth America Map
WORLD MAPS iGO 8.3.x : iGO AMIGO : iGO PRIMO
(1) sideload wonder machine
AC Sideload Wonder Machine for Windows - Android Forums
(2) IGO Amigo
iGo Amigo (800x480!) v.8.4.2.139242 Android OS
(3) Noth America Map
WORLD MAPS iGO 8.3.x : iGO AMIGO : iGO PRIMO