I think I get it now. For Stencyl, you basically wanna make your graphics as large as possible (1920 x 1280). Create your mobile game at 320 x 480, then import your graphics at the 1920 x 1280 then select the proper scale you want to use...since your importing 1920 x 1280, you wanna scale X4 (i believe..) which will shrink your graphics x4 when you test on the ios simulator in xcode. Also, i believe in Settings>mobile make sure your scale is set there as well..keep playing around with it and let me know...i may not have given you a 100% answer so please correct me if im wrong...still a bit confused but not so much anymore.