"Hong Kong Tram Trail – Traces of Hong Kong’s Urban Development” covers the urban history of Hong Kong along the tram way from Western District to Sheung Wan – the oldest urban districts from where modern Hong Kong originates. Tram passengers can take a self-guided tour by making use of this free app as the tram leisurely traverses various pockets of the city. It is brought to you by the University of Hong Kong in celebration of its Centenary. Both the University of Hong Kong and Hong Kong Tramways have been serving Hong Kong and witnessing its development for over 100 years. （There is a choice of English, Cantonese and Putonghua broadcast)This application needs real time downloading which will cause network data usage. If you do not want any data usage, please download and install other off-line version following the link below:https://play.google.com/store/apps/details?id=com.eng_HKTramtrail （English off-line version）https://play.google.com/store/apps/details?id=com.HKTramtrail_can （Cantonese off-line version ）https://play.google.com/store/apps/details?id=com.put_HKTramtrail （ Putonghua off-line version ）