'Tales of Hearts' appears in GameStop release list
GameStop seems to have 'Tales of Hearts' listed in its upcoming release database. Tales of Hearts R released in Japan in early 2013, and Bandai Namco hasn't indicated any interest in localizing the title. However, Tales of Hearts R was the most mentioned game during Sony Computer Entertainment's #JRPGVita Twitter campaign, so perhaps that will lead to a localization after all?
Tales of Hearts R is a Vita remake of the original Tales of Hearts on Nintendo DS.