A discount will also be available for the full game.
http://www.nintendoworldreport.com/news/57816/sci-fi-roguelite-crying-suns-gets-an-eshop-demo
After launching on Switch in May, narrative-tactical game Crying Suns is getting a free demo today, which can be found by accessing its eShop listing. Until July 22, the full game will also be discounted by 20%, so if a free sample of the game tickles your fancy, you can go ahead and pick up Crying Suns on the cheap.