Samsung Galaxy S5: How to Enable and Use Assistant Plus Feature in Camera App in Android 5.0.1 Lollipop

Within the assistant menu, there's a feature named assistant plus that can be used in some default apps, one of which is the stock Camera app. By enabling the assistant plus feature, you'll be given with some additional contextual menu options within the assistant menu icon when you're using the stock Camera app to let you easily access to a certain frequently used option or feature in the stock