Actually, the problem is that few months ago these devices were supported and now they are not. I have successfully installed qt libraries, pips and fluidlauncher demo on E60 then, and it all worked very very well. But, after I installed qt 4.5.0-garden libraries on E60, the fluidlauncher demo won't start anymore (it throws now well-known error "Feature not supported"). And also, all of my examples built for Garden + FP1 won't start on E60 device too.
There is nothing I can do here, I understand. But It is just too lame from Trolltech that something that worked well (I must say again: WELL) works no more. I can't imagine what features from FP1 were so important to make MR completely unusable in Garden.