Maybe this is not a proper question to ask in this forum, sorry if it isn't.
When I look at my Google My Activity page, I see couple of "Used Hangouts" titles. I am not sure if they mean that I open the gmail and click on the Hangouts symbol, or I opened it through Hangouts app, or I actually used it, for example blocked somebody or texted somebody. Activity details say that I used my Android phone, but I don't know if I used the app or not.
I wonder particularly if one can definitely know that the app Hangouts is used or a text has been send.
Basically, what can we extract from this information that we have is what I am asking.
Thanks in advance!