Send bulk sms from Android phone or tablet
Option for uploading the data from text files in SD card
Option to add Phone Numbers from the contacts
Option to Save the Phone Number and Messages as Groups and can be reused later
批量发送短信从Android手机或平板电脑
选项??从文本文件上传到SD卡中的数据
选项??从联系人添加电话号码
选择保存的电话号码和消息作为组以后可以重复使用

In version 4 Introduced option to save the message and Phone Numbers as Group Which can be opened for later use.The option is included in Menu button
In Version 7 and 8 Some bugs were fixed
Load from contacts option to select the phone numbers included UI updated