Use APKPure App
Get Butler Messaging old version APK for Android
This application is part of a research study at Northwestern University.
DO NOT INSTALL THIS APP IF YOU ARE NOT PARTICIPATING IN A RESEARCH STUDY AT NORTHWESTERN UNIVERSITY OR CORNELL UNIVERSITY. This messaging application is part of a research study at Cornell and Northwestern Universities, and it records your sent and received messages.
If you have any questions about this research study, please email us at androidstudy@u.northwestern.edu.