Soon you'll be able to use the DEX without even knowing you're on the Lightning Network
Lightning is lightning, however still cannot solve a problem on regular trading since we still meet the problem money you can trade/TX and too complicated for using it.
Are you sure isn't that fake news? How can I be sure that they will implement that UI design?
Go to google and search it about stakenet if you want to be sure, you have google right on your device.