Installation and execution of the game may not be possible if it does not meet the conditions necessary to play the game. These cases include unstable network conditions, low OS version, minimum specifications, insufficient storage capacity, or the mobile phone's available memory (RAM). 

Please check the status of the network and the device again. If the installation and execution still do not work after checking, please contact the customer support with a detailed info about your current status.

[Customer Support]

▶ td-support-en@vespainc.oqupie.com

Please fill out all of the following info as possible when submitting an inquiry through the customer support:

- Nickname / UID

- Server country name (or country of residence)

- Network status (WIFI, LTE)

- Device name

- OS version

- Detailed description of the current status (including screenshots)