Gourmet on 30 June 2015
Big titles get a lot of advertising and word of mouth, reaching a good deal of the large userbase while smaller ones only reach those who were likely to buy them on other platforms. And even for these people, competition with a large library play a factor, making it common for games to sell less on more popular platforms. That's basically what keeps Vita alive for third parties in japan today, as it gets many obscure games who would stand no chance on 3DS.
