Is this a bug report?

Yes

Environment

Environment:
OS: macOS High Sierra 10.13.1
Node: 8.5.0
Yarn: 1.3.2
npm: 5.3.0
Watchman: 4.9.0
Xcode: Xcode 9.2 Build version 9C40b
Android Studio: 2.3 AI-162.4069837

Packages: (wanted => installed)
react: 16.0.0-alpha.12 => 16.0.0
react-native: ^0.47.1 => 0.51.0

Target Platform: Android (8)

Steps to Reproduce

(Write your steps here:)

1. Install the app
2. Open the app
3. Navigate somewhere like 'products'
4. Close the app
5. Open the app
6. The app will be in 'products' instead af the main scene

Expected Behavior

1. Install the app
2. Open the app
3. Navigate somewhere like 'products'
4. Close the app
5. Open the app
6. The app will be in 'index'

Super easy and replicable steps 😄