(First post hope this is the right sub-forum)
I've just released an app that converts any image (from camera or gallery) to specific hardware palettes.
Conversion is based on colour distance taking into account perceived brightness. This might be usefull for the members here as it is quite accurate.
I'm not simulating specific resolutions because my first goal was to have something that could be used by non-experts.
But I'm sure it might be of interest to some of you.
To avoid any trademarks I'm using generic names for the palettes, but the colors are acurate:
Get it here:
https://play.google.com/store/apps/details?id=retroimageconverter.moonrover.com