There is no real evidence saying that there will be remakes, but there is Evidence that new Pokemon games are coming out this upcoming Spring. What is not known is if it is a Spinoff game or one of the Main Games. Not much is known, but the information of the new Game will be released soon. I got my information Here
" According to various reports, notably from David Gibson who attended it, during Nintendo's Financial Results Briefing today, a new Pokémon game was listed for release in Japan this Spring. No details were revealed about this game, as to whether it's a spin-off game or a main series gamebut we'll bring details about this game, including confirmation as it's not listed in the details on the official site, as soon as possible"