I\'m sending SMS in my Android App,
SmsManager sm = SmsManager.getDefault();
String number = \"1234567890\";
sm.sendTextMessage(number, null, \"Test
Yes, it is possible to change the sender phone number, but you need to use a third party SMS Gateway. You can reroute the SMS to come from a phone number that you register for your app.
Twilio - http://www.twilio.com/help/faq/sms/can-i-specify-the-phone-number-a-recipient-sees-when-getting-an-sms-from-my-twilio-app
TextMagic - http://www.textmagic.com/app/pages/en/products/bulk-sms-gateway-api