This application is a references to all kinds of signs and symbols you can see all day in the streets, in your office, on products etc. Somtimes you don't know the meaning of these symbols, so this app may help here.
I contains warning sign, hazard symbols, traffic signs, and many more.
Though many of the signs and symbols in this app are used all over the world, many signs and symbols of the app are currently focused on Europe and especially for Germany, Austria and Switzerland. So the app itself is currently in German only and will be placed in the German, Austria and CH app stores only at the moment
The App content can be also accessed from within the Apple Watch.