2023-06-06 00:00:00 This general public audio guide application is intended to inform and accompany visitors taking the little Montenvers train on their journey to the Mer de Glace from Chamonix. It provides descriptive and historical information on the landscapes and points of interest concerning the Mer de Glace. This audio guide application is in French and English intended for a very large audience. It can also be used by the hearing impaired because its editorial is complete in French and also in English.