I have published the following audio tours on VoiceMap, an application that uses your location to play audio automatically while you are walking:
Right to Roam: A Scenic Hike from Bergen’s Fish Market up Mount Fløyen

Off the Beaten Track in Bergen: Sandviken Walking Tour
Available also in Spanish:
Paseo por el barrio de Sandviken en Bergen

Bergen Tour: A Stroll through its University District
