It's hidden SMS spy. App records SMS messages. Victim won't see special SMS messages which are used to control the app. App doesn't have UI.
1. Install it on somebody's phone, app is hidden, app will show up as Speech Recorder Tips, if you try to launch it it will show Android settings.
2. Send SMS to that phone with the following text:
!!! use your actual email address
The app is clean and it's not a trojan, it's a feature to track your kids or your wife. I do not store your data!
sms tracker, sms spy, sms recorder, sms email forward, sms2email, sms to email
app now uses dedicated amazon AWS mail server
if you don't see emails, check your spam folder