Info taken from Kotaku:
"Adding it all together, a teaser by Japan's Pokémon Sunday TV program points to an announcement next weekend that Pokémon Gold and Silver will be remade.
The tease, offered this weekend, said simply that Pokémon Sunday would have a "world-exclusive first announcement," on May 10 during the program's Pokémon Game Arena segment.
Oh, but there's what you say, and then there's how you say it. Or, more importantly, where you say it. In this case, it was said underneath two gold and silver confetti-filled balls. (depicted). Hmmmmmm. HMMMMMMMM. What could that mean?
From Bulbanews: "It is also theorized that Junichi Masuda will appear on the show to make the announcement, since he did so both last month and the month prior in regard to other game-related scoops."