Andreu is best remembered in Puerto Rico for playing the character "Titi Chagua" in a local television show for children.
Cecilia Cavero moved with her children to Havana, where Rosaura Andreu met her first husband: the famous Cuban comedian Leopoldo Fernandez, nicknamed "Tres Patines."
Andreu first visited Puerto Rico as part of a Cuban theatrical troupe.
Years later she settled on the island and joined the group La farandula bohemia.
She became known to the children television viewers in such programs as Romper Room con Berta and others.