\begin{thebibliography}{10}

\bibitem{ajworld}
AJ~187.
\newblock bemani and music game simulator file types.
\newblock \texttt{http://www.ajworld.net/simfile\_types.txt}.

\bibitem{stepmania}
Chris Danford.
\newblock Stepmania: Free dance game and songs.
\newblock \texttt{http://www.stepmania.com/}.

\bibitem{youbeat}
DAZ-Y3.
\newblock Youbeat by daz-y3.
\newblock \texttt{http://youbeat.datael.co.uk/}.

\bibitem{libgdx}
Badlogic Games.
\newblock libgdx.
\newblock \texttt{http://code.google.com/p/libgdx/}.

\bibitem{android_market}
Google.
\newblock Android market.
\newblock \texttt{https://market.android.com/}.

\bibitem{osu}
Dean Herbert.
\newblock osu! - rhythm is just a click away.
\newblock \texttt{http://osu.ppy.sh/}.

\bibitem{ppd}
KHCMaster.
\newblock Ppd means project -project dxxx-.
\newblock \texttt{http://projectdxxx.blog9.fc2.com/}.

\bibitem{jubeat}
Konami.
\newblock jubeat knit -super site-.
\newblock \texttt{http://www.konami.jp/bemani/jubeat}.

\bibitem{frets}
Sami Kyostila.
\newblock Frets on fire.
\newblock \texttt{http://fretsonfire.sourceforge.net/}.

\bibitem{pennapps}
Justin Meltzer.
\newblock Interview w/ beats creator from pennapps 2010.
\newblock
  \texttt{http://pennapps.com/spring2011/2011/01/interview-w-beats-creator-pa10/}.

\bibitem{ddrkc}
Dance Dance Revolution~Fanatics of~Kansas~City.
\newblock Ddrkc.
\newblock \texttt{http://www.ddrkc.com}.

\bibitem{beats}
Philip Peng.
\newblock Beats portable, advanced rhythm game for android.
\newblock \texttt{http://beatsportable.com/}.

\bibitem{beats2}
Philip Peng.
\newblock beats2.
\newblock \texttt{http://code.google.com/p/beats2/}.

\bibitem{djmax_technika}
Pentavision.
\newblock Djmax technika - beyond the future.
\newblock \texttt{http://djmax.co.kr/technika/}.

\bibitem{project_diva}
Sega.
\newblock Hatsune miku -project diva- official site.
\newblock \texttt{http://miku.sega.jp/}.

\bibitem{music_games_rock}
Scott Steinberg.
\newblock Music games rock: Rhythm gaming's greatest hits of all time.
\newblock \texttt{http://www.musicgamesrock.com/Music Games Rock.pdf}.

\end{thebibliography}
