The app needs to specify which license (CC-BY-SA/GFDL?) it is licensed under in the "About the app", as well as where the icons in the settings menu (not WikiFont) are from and which license they have (most are below the threashold of originallity and is PD, but the icon for "Developer setting" is definatly copyrightable and needs a license-thingy)
FINAL copy to appear after the Libraries Used section:
repositories
Source code available on Gerrit and Github under the MIT License.
license
Unless otherwise specified, content is available under a Creative Commons Attribution-ShareAlike License.