released by Key on July 31, 2009, in a box set containing five other Key visual novels called Key 10th Memorial Box. Another updated all ages version compatible for Windows 7 PCs called Air Memorial Edition was released on May 28, 2010. The first consumer console port of the game was released for the Dreamcast (DC) on September 20, 2001, by NEC Interchannel. A PlayStation 2 (PS2) version was released on August 8, 2002, also by NEC Interchannel. The PS2 version was re-released as a "Best" version on September 1, 2005. The PS2 version was bundled in a "Key 3-Part Work Premium Box" package together with the PS2 versions of Kanon and Clannad released on July 30, 2009. To compensate for the lack of erotic content in the consumer ports, extra scenes were added. A version playable on SoftBank 3G mobile phones was released by Prototype through VisualArt's Motto on May 1, 2006. Prototype later released a VGA edition produced by NTT DoCoMo playable on FOMA phones on February 5, 2008. The version for the FOMA phones was split into two separate files: the Dream story arc comprised the first file, and the remaining Summer and Air arcs comprised the second file. A version of the Dream story arc playable on Android devices was released on July 27, 2012. A version containing the Summer and Air arcs for Android devices was released on August 15, 2012. A full version Air on Android devices was released on October 24, 2012, in two editions: one without voice acting, and one with voice acting, including Yukito. Two versions were released on May 2, 2013: an adult version for Android devices and an all ages version playable on iOS devices. A PlayStation Portable (PSP) version of the game was released in Japan on November 22, 2007, by Prototype. A downloadable version of the PSP release via the PlayStation Store was released by Prototype on September 2, 2010. A PlayStation Vita (PSV) version was released by Prototype on September 8, 2016. A Nintendo Switch version was released in Japan on September 9, 2021. Both the PSV and Switch versions contained a visual novel version of Yūichi Suzumoto's short story as a prequel to the Summer story arc about how Kanna and Uraha met. In the original release, there was no voice acting for the characters, though this was later changed for the DC version, which