Hello! You can use encrypted Secure SMS for Android. The app is free, and available at: https://market.android.com/details?id=com.atomcloud.metrobuddy https://m

Hello! You can use encrypted Secure SMS for Android. The app is free, and available at: https://market.android.com/details?id=com.atomcloud.metrobuddy https://market.android.com/details?id=com.atomcloud.metrobud... The instruction manual is at: http://web.atomcloud.com/apps/metrobuddy-secure-sms http://web.atomcloud.com/apps/metrobuddy-secure-sms the app needs no licensing, so can be passed from phone to phone via SD card. Good Luck!