Correct, a new account since accounts are tied to the instance. It's not a great experience at the moment but I suppose part of the trade-off for now with the fediverse. Maybe a tool or something native will be made later to help the use case.
In addition as the earlier reply mentions -- "typically" collect. It has no knowledge of the data I believe. Simply what tracker is used and what it can be used for. Good for who, but not for what.
Are there issues with FF on android?