ill-popping puzzler Dr. Mario is out on the 3DS eShop this week. The version available is the Game Boy edition, first released in 1990.It can be yours, this Thursday, for £2.70/€3.Otherwise, it's a sparse week for the eShop.There's a free demo of Pyramids, an Egyptian-themed puzzler. Then there's Aahh! Spot the Difference, an observation game by Gamelion, available as DSiWare for £1.80/€2.