zumo_2.0_android/app/src/main/res/anim/back_enter.xml

<?xml version="1.0" encoding="utf-8"?>
<set>
  <translate xmlns:android="http://schemas.android.com/apk/res/android"
             android:duration="@android:integer/config_shortAnimTime"
             android:fromXDelta="-100%"
             android:interpolator="@android:anim/decelerate_interpolator"
             android:toXDelta="0"/>
</set>