Existing categories have been updated to include more flashcards. This includes both new emoji added in Emoji 5.0
and also others that had been previously omitted.
For picture flashcards there are now:
60 Animals flashcards
73 Food flashcards
32 Sports flashcards
32 Transport flashcards
81 Feelings flashcards!
81 feelings flashcards is far more feelings than I can name.
The next update will be to add entirely new categories. The first new category can be previewed here