下载 APKPure App
可在安卓获取CoolSMS的历史版本
CoolSMS是免费的邮件日常快速，轻量级的消息传递应用程序。
CoolSMS is fast, lightweight messaging app with free messages everyday.
+ Mobifone: Register an account at www.mobifone.com.vn to get 30 free messages and 5 daily free messages.
+ Viettel: Register an account at www.vietteltelecom.vn and download our ViettelSMSPlugin to get 10 daily free messages.