Go! Go! Nippon! 2015

RelationGo! Go! Nippon! ~My First Trip to Japan~
TitleGo! Go! Nippon! 2015
Type  Complete
Language  English
  Japanese
PublicationNon-free, commercial
Platform  Windows
MediumInternet download
Resolution1280x720
VoicedNot voiced
Released2015-10-16
Age ratingAll ages
DeveloperOverdrive
PublisherMangaGamer
LinksOfficial website

In addition to "nearly doubling" the amount of content, this expansion also:
Renders the game in widescreen 1280 x 720, updating all of the old and new CGs to the new display.
Renders Makoto and Akira’s sprites with the E-Mote system.

Standalone version that doesn't contain any of the original game's content, only the new stuff. Available on MangaGamer site.