Try this calculator and input your local electrical costs.
DASH + XMR are mined via CPU and $500 is the minimal investment.
Others are mined via GPU (except BTC of course). Minimal investment is between $1,800 and $2,500 (assuming you purchase parts and build your own rig).
The project's android app is deprecated. New GUI will work with updated ShadowGo once team has time to finish coding it.
I haven't tried Uber wallet but SDC is on it https://play.google.com/store/apps/details?id=com.mygeopay.wallet
Or Exodus, but their github has shapeshift support and SDC is on ss. https://www.exodus.io/