"Oh!" was first performed live on January 30, 2010, on
MBC's
Music Core, as part of their "comeback stage". They also performed "Show! Show! Show!" However, there was a technical error in MBC's broadcast, with a few seconds of
dead air near the end of the performance; the network was subsequently flooded with complaints. The incident was then parodied on
YouTube, mixing in clips of the Korean drama
IRIS, receiving attention from Korean
netizens. The group followed up with their second performance on
Inkigayo the following day. Starting from March 11, 2010, photos of the members were released online showcasing a dark concept, so called
Black SoShi. In the run of promotions for the song, an official
iPhone application was released, available in free and paid versions. The free version has 30-second previews for all the songs on the album, a music video for “Run Devil Run” and a few photographs. The paid version has full tracks for all the songs on the album, music videos for "Run Devil Run", "
Gee", "
Oh!" and "
Genie", and a photo gallery. They concluded their song promotions by the May 2, 2010, on
Inkigayo. Beginning in 2011, the group embarked on their
Girls' Generation Tour, which started on July 23, 2011, at the
Olympic Gymnastics Arena in
Seoul and ended at the
Impact Arena in
Bangkok on February 12, 2012. ==Track listing==