Zapic SDK for Android
· The Zapic SDK for Android is an open-source project that allows game developers to integrate with the Zapic platform from a game written in Kotlin or Java for Android.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window zapic-sdk-android-1.2.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.