To access a DVSwitch Server the client, DVSwitch Mobile needs to be installed on your Android device. 

Search the Store for DVSwitch.

Once installed and run you should see this screen. 

Click "Accounts" at the top of the above screen and you should get to this screen.

Click on the top entry (it will be different from the one shown here. )
After you set it up it should be similar

Set the options as shown in this screenshot
DO NOT use my callsign and DMR ID, use your own!

DO use "n3enm.dyndns.org" for the Hostname if you want to use my server for a quick test - since the server will only service ONE user at a time it may be unavailable.  Please limit use of the server to a short test only.

When done press SAVE

Press the BACK button on the Android device to return to the main screen (the one with the keypad)

If you don't see the screen below press the "Register" button (it will be where my screen shows "Hangup")

To go to a channel just type it in on the keypad (3100 for example) and press "Send"

Note that the "BS" button is Back Space

Tap the PTT bar to transmit.  It will turn red when transmitting - press PTT again to stop transmitting - the bar will no longer be red.

To exit completely press the BACK button on the Android device and you will be asked if you wish to exit.