If you want to double-click on icons to launch something in X you may find it annoying to get it to work right. In LXDE you can simply set it up so that you only need to single click instead of double.
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From LXDE launch the file manager (sorry these pix are grayscale, still figuring out how to screenshot the framebuffer!)
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{{ADFImage|RASP-PiTFT-Extra-20.png}}
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Then under the '''Edit''' menu, select '''Preferences'''
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{{ADFImage|RASP-PiTFT-Extra-21.png}}
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Then select '''Open files with single click''' and close the window (you'll need to drag it over to get to the X button