run:
ionic start ionic-demo

import ionic-demo

run as > cordova sim

try use the app, click back.

Two issues:
1) cordova sim complains about app.appexit not being supported
2) when trying to click do not show again I get the following in the cordovasim error log:

Outstanding resource locks detected:
ES2 Vram Pool: 51,815,392 used (19.3%), 51,815,392 managed (19.3%), 268,435,456 total
84 total resources being managed
average resource age is 15.1 frames
0 resources at maximum supported age (0.0%)
16 resources marked permanent (19.0%)
17 resources have had mismatched locks (20.2%)
17 resources locked (20.2%)
30 resources contain interesting data (35.7%)
0 resources disappeared (0.0%)