Dani,
Yes, been testing on a new 3.5.1 install.
I am not sure how many other users out in the Moodleverse actual use logs as we do.
In our case, it shows for compliance lets call it "Nominal hours" spent within a course or activity.
While the mobile Browser and Desktop drill down into this with clear drill down into Event context, Component, Event name, Description
With access to an external 3rd party to click into any of these areas.
The mobile app is just outputting a Generic static - Web service function called
All good, As you can see via my other thread knee deep into testing this 3.5.1 install and will get workarounds to keep compliance happy.