CAT eService Version 1. 1. 5 We concern in your convenience to get our information, promotion and news anytime. CAT Service has feature by following: Profile. History usage. Online payment. Add / remove service. News and promotion. Contact us / Maps / Chat / Call center / e-mail. Require registration for CAT eService. Compatibility: Require Android 4. 1 (Jelly bean) or later.