BigHugeLabs. Their Trading Card generator allows you to create trading cards about people, places, and events both real and fictional. Great as personal or collaborative study tools, or for a final product for an assignment. Learn more about the Trading Card generator and the rest of the functionalities available from BigHugeLabs in a posting from my favourite EdTech guy, Richard Byrne.
Tiny Tap is a free App thich allows you to create your own educational games on both iPads and Android devices.
Shakespeare™ is a free app with the complete works of Shakespeare (41 plays, 154 sonnets and 6 poems, including doubtful works) and a searchable concordance to find the exact word or phrase you’re looking for (with “relaxed” searching to find words close to your search term). Available for both iOS and Android devices.