Sora no Kiseki: Kizuna

Sora no Kiseki: Kizuna (空の軌跡：絆, or 'Trails in the Sky: Bonds'), localised in Singapore and Malaysia as 空之轨迹：羁绊, is a game for smartphones developed by the Chinese developer Changyou.com Limited. It was originally released for Android on the Google Play store in the regions of Singapore and Malaysia on March 5, 2018.

Overview
Sora no Kiseki: Kizuna is described as a battle card RPG based on the Kiseki series, featuring 128 characters from the Liberl, Crossbell and Erebonia arc.

Kizuna tells a new story, set around the ending of. Following a space-time distortion caused by the Azure Tree's sudden appearance and the Aureole's fulfilment of a certain someone's wish, Crossbell Police Department's investigator Lloyd Bannings winds up in an alternative universe. It is up to him to discover what caused the space-time distortion and who used the Aureole's power. Assisted by fellow Special Support Section member Elie MacDowell, Lloyd launches an investigation to discover the truth behind the mysterious continent he wound up in and to find a way to return to the original Zemuria.