Всё просто:
-Качаем образ нужной нам игры в формате .iso .cso
-Запускаем эмулятор
-Жмем "Загрузить"
-Открываем скачанный образ
-Играем

Atrac3+ plugin no longer required! Thanks Maxim for hard reverse-engineering work
Many, many emulation fixes:
-bezier/spline curve support, fixing Loco Roco and others
-stencil clear emulation, fixing Final Fantasy IV text
Android-x86 support
Post-processing shaders like FXAA, scanlines, vignette
More solid save states (we will try to keep them working from now on. Save states only upgrade forward, not backward to older versions though)
Change render resolution independently of window size
Massive debugger improvements on Windows, by Kingcom and unknownbrackets (GE)
Win32 menu bar is now translatable. Language changes are applied instantly.
Win32: Ability to store PPSSPP's config files and memory stick files in places other than the same directory
Qt audio fixed, Symbian audio and ffmpeg is now threaded for more consistent media processing
Haptic feedback support for mobile devices
Accurate system information for mobile devices
Analog controller support for Blackberry
Windows installer (coming soon)