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On mobile devices if you get close to the 100 FP cap while doing your daily collections (and possibly doing the Recurring Quest for FPs), if you drag over several items very quickly, you can pick up a lot before the server catches up with you, allowing you to go over 100, not by a whole lot though. I personally do this a lot if I am near the end of my collections.
Anyway, for the short and direct answer to your question, yes, the cap is 100 FPs that you can have at one time on you FP bar. Except for those minor exceptions that I mentioned as well as what @Stephen Longshanks had said.