With Memorial Day serving as the unofficial start of summer, it’s time to hit the road and see the best of what the United States and Canada has to offer. And by using the right apps, you can be sure to get the most of your road trips. Roadside America helps users find all of the oddities across the United States and Canada, from giant twine balls to other off-the-wall attractions like the Cathedral of Junk in Austin, Texas. Search for attractions nearby, where headed – even by theme. The Roadside America app delivers a short description, address, and directions. The app is $2.99 for iOS with in-app purchases available…