Cameroon national team. CAF (Africa). Nickname: les Lions Indomptables (the Indomitable Lions). Home jersey: dark green, with gold and red trim.
-Cameroon is in Group A (with Brazil, Croatia, and Mexico). ‘2014 FIFA World Cup/Group A‘ (en.wikipedia.org).

FIFA World Cup qualification: 2014 is Cameroon’s 7th qualification out of 10 tries [note: Cameroon's first attempt at qualifying for the World Cup was in 1966, but they withdrew during the qualifications; then for the next 3 World Cups - 1970, 1974, 1978 - they did not enter].

Cameroon has qualified for the World Cup in: 1982, 1990, 1994, 1998, 2002, 2010, 2014.
Previous WC Q: 2010, Group Stage / 0-0-3.
Highest WC finish: 1990, Quarterfinals / 3-0-2.

Population of Cameroon: 20.5 million {2013 estimate}. Capital (and second largest city): Yaoundé, pop. 2.40 million. Largest city: Doula, pop. 2.44 million (metro areas) {2012 estimates}.

Coach of Cameroon, Volker Finke. Volker Finke.
Captain of Cameroon, Samuel Eto’o. Samuel Eto’o.

Below: Theoretical Best XI for Cameroon (with 2 other player-options further below) -

Photo and Image credits above -
Map of Cameroon on globe, by MSClaudiu at ‘File:Cameroon (orthographic projection).svg‘ (en.wikipedia.org).
Map of Cameroon by NordNordWest at ‘File:Cameroon location map.svg‘ (en.wikipedia.org).
Cameroon home jersey badge and Cameroon home jersey, photos from imgur.com.
Coach,
Volker Finke, photo from goal.com.
Goalkeeper,
Charles Itandje (Konyaspor), photo by Ultaslansi at en.wikipedia.org.
Defenders,
Dany Nounkeu (Galatasaray), photo by Valerio Pennicino/Getty Images Europe via zimbio.com.
Aurélien Chedjou (Galatasaray), photo by Ultaslansi at en.wikipedia.org.
Nicolas N’Koulou (Marseille), photo from talksport.com.
Benoît Assou-Ekotto (Tottenham/ QPR), photo by Charlie Crowhurst/Getty Images Europe via zimbio.com
Midfielders,
Stéphane Mbia (QPR/ Sevilla), photo by Action Images via supersport.com.
Jean Makoun (Rennes), photo from ouest-france.fr.
Alex Song (Barcelona), photo by Getty Images/Getty Images AsiaPac via zimbio.com.
Forwards,
Benjamin Moukandjo (AS Nancy), photo by Getty Images via uefa.com
Samuel Eto’o (Chelsea), photo by Jamie McDonald/Getty Images Europe via zimbio.com.
Pierre Webó (Fenerbahçe), photo from fanatik.com.tr.
Other player-options,
Joël Matip DF (FC Schalke 04), photo from foot-sur7.fr.
Eyong Enoh MF (Ajax/ Antalyaspor), photo from trtspor.com.tr.

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Thanks to the contributors at ‘2014 FIFA World Cup qualification‘ (en.wikipedia.org).
Thanks to the contributors at ‘Cameroon national football team‘ (en.wikipedia.org).
Thanks to http://www.transfermarkt.com/en/, for player-position details.