Teckenspråkslexikon is a free educational app for Android users that enables them to look up characters in the Swedish sign language dictionary. The app requires internet connectivity to access photo illustrations and videos. All content in the app is provided by the Swedish Sign Language Dictionary, which is offered by the Department of Sign Language, Department of Linguistics, Stockholm University, and is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 2.5 Sweden License. The app itself is not developed by Stockholm University, and the developer's contact information can be found at the bottom of the app's page. The app has open source and its code is available on GitHub.

The app's interface is user-friendly and easy to navigate. It provides a search bar where users can type in the character they want to look up. The search results show the character's corresponding photo illustration and video, along with its description. Users can also access the app's settings, which allows them to choose their preferred language and clear search history. Overall, Teckenspråkslexikon is a valuable resource for anyone who wants to learn the Swedish sign language dictionary and is looking for a reliable and accessible app to help them do so.