He spent most of his professional career with Toulouse in France and Betis in Spain, playing his later years in Arab countries, Mexico, Japan and India, as well as two spells at Gimnàstic.

[3] The player stayed nonetheless at Toulouse, scoring eight times in 36 matches as the club finished a best-ever third in the first division, thus achieving UEFA Champions League qualification honours.

Emaná was strongly linked with Premier League club Portsmouth in the following off-season, where he would have joined a large contingent of African players.

The attacking trio of himself and strikers Rubén Castro and Jorge Molina combined for more than 50 league goals in 2010–11, as the club returned to the top division after two years of absence.

[18] In January of the following year he was loaned to United Arab Emirates' Shabab Al Ahli Club until June, and the move was made permanent on 27 July.

[23] On 24 July 2015, already as a free agent, he joined Gimnàstic de Tarragona initially on trial,[24] and subsequently penned a one-year contract.

[38] Emaná represented Cameroon at the 2010 FIFA World Cup in South Africa, playing two games (two defeats) in an eventual group stage exit for the Lions Indomptables.