Ionic app restarts do default

When I install the APK in android and run The app It works perfectly but when i close The app and start It once again The app loaded is The starter app from tabs starter …whats going on ?

Are you using Ionic Deploy in your app?
What is your ionic info output?

Yes I am, i did all the steps to generate de signed apk
Ionic info

@ionic/cli-utils  : 1.13.1
ionic (Ionic CLI) : 3.13.2

global packages:

cordova (Cordova CLI) : 7.0.1

local packages:

@ionic/app-scripts : 2.1.4
Cordova Platforms  : android 6.2.3
Ionic Framework    : ionic-angular 3.6.1

System:

Android SDK Tools : 25.2.5
Node              : v6.11.2
npm               : 3.10.10
OS                : Windows 10

Misc:

backend : pro

Then it probably is loading the currently deployed version from Ionic Pro which seems to be initial state of the tabs starter. You have to deploy a new version online.

Unrelated: You should upgrade this.