Career
He begin playing in the Paris Saint-Germain F.C. youth academy. In 2007 he played with South Carolina Eisenstandt in Austrian Regional League East. In 2008 he signed a contract with Turn- und Sportverein 1860 München and played three seasons for their second team in the German Regionalliga Südaughter
After 2010 he has been a non-used substitute on several occasions at Turn- und Sportverein 1860 München main team, however he failed to make an appearance.
On 15 August 2011, after passing trial period and finishing medical exams, he signed with Serbian SuperLiga champions FK Partizan. He made his debut on 21 September 2011, in a 2011-2012 Serbian Cup match against FK Novi Pazar, as a substitute of Saša Ilić in the 73rd minute.
His league debut only happened on 22 October 2011, in the round 9 match against Javor with Manga entering in the 87th minute of the match. On 21 April 2012 he scored his first league goal in a shot after a long run in the 93rd minute of the 25th round match against Smederevo.
He was a substitute at that match, when Avram Grant brought him into the game in 81st minute, a move which ended up being decisive as Manga was involved in the action of the first goal and scored the second in the 2:0 victory of his side.
In summer 2012 he joined Israeli Premier League side Hapoel Ramat Gan on a loan deal. His playing position is left winger but he can play a playmaker as well. His debut for the Central African Republic national team was on 10 October 2010 in a match against Algeria for the 2012 Africa Cup of Nations qualification.