I remember the developer of @AndStatus also dealing with this somehow. Maybe it is a matter of parsing this statuses?
Actually these messages are something that I miss in mastodon. I like to see what people fav 😉

@foo @mmn @maryjane @colegota @up201705417 @liberadalinux @aab @dalme

@nestort @tom79 Parsing isn't necessary, that'd be a horrible solution. It's all in the appropriate XML data structure/metadata, in the activity:verb - <activity:verb></activity:verb>

The thing is that these are not "post" verbs, they're "favorite" instead for example. Just read the data properly and you'll be fine. I think there's some hack to make JSON suck less. The real way to parse it with JSON wouldn't be the sucky Twitter-api-feed ".json" but rather ".as", but JSON will always be second to XML in awesomeness anywayz...

The hack for the .json endpoint might be something like:
is_post_verb: "false",
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