How to have both Debug and Release apk on same device?

Question

While continuing to develop my application and test it on a real phone, I need to have the release version of it on the same phone, for demonstration purposes (

Answer 1

In Android Studio, Adding build variants using Product Flavours which can be easily customized for various environments and to test side by side multiple app variants of same app. Check out this link for more information - Configuring Gradle