In order to sideload the application, you can follow instructions online:
https://www.google.com/#q=how+to+sideload+apps
The basic premise is:
1. Find the .apk file.
a. This should be installed with your server install at: C:ManagerPlusDataServicesClientFiles called M+Mobile.apk.
b. We could upload it to our FTP site if necessary. If you’d like to go this route, let us know.
2. Get the .apk on the phone.
a. Email the file to an email account accessible on the phone.
b. Put the file on the microSD card and put the card in the phone.
c. Connect the phone using a USB cable.
3. Find the file on the phone and click/press it. It should automatically install.
Thank you,