@Alexandre_Dolgovykh you can start at this article Range Officer tracking in PractiScore app
We will look at adding reshoot reasons in 2.0 apps. In the meantime you can help us by compiling a complete list of all reshoot rules for each discipline.
As for a free form entry. From the past experience, most ROs are not capable of typing anything on the tablet or simply don’t have time for that during match. E.g. you can see that for yourself in the chrono notes in the past match results posted online.