additions, external link updates

entries/apple_flinger.md

@@ -0,0 +1,15 @@
+# Apple Flinger
+
+- Home: https://gitlab.com/ar-/apple-flinger
+- Inspiration: Angry Birds
+- State: mature
+- Download: https://f-droid.org//packages/com.gitlab.ardash.appleflinger.android/
+- Platform: Android
+- Keyword: arcade, artillery, skill
+- Code repository: https://gitlab.com/ar-/apple-flinger.git
+- Code language: Java
+- Code license: GPL-3.0
+
+## Building
+
+- Build system: Gradle