Anyone plan to travel by high speed train to China, download this app! It has 2 languages selections, English only for foreign passport holders, for those using 回鄉証 must use Chinese language and you need an HK or China mobile phone number to complete the registration! Don’t wait for last minutes as it will take 24-48 hours to verify your ID before you can purchase high speed train tickets. The App allows you to add 9 more passengers asking for the same identification information. You cannot add them until your identification is verified!