Boing is a simple todo list with optional notes that lets you check off items using a swipe gesture. Ideal for those with short term memories! v. 1. 0. 4. Fixed problem with swipe marking items it shouldn't. v. 1. 0. 2. NEW: Sort by any field. NEW: Edit existing entries. v. 1. 0. 1 - fixed crash when swiping outside list items.