[Android] Switching debug mode with android:debuggable is deprecated

Setting android:debuggable in AndroidManifest.xml to switch debug mode is deprecated.

[Android] The Minimum API Level (OS Version) That an App Can Run On is Set with android:minSdkVersion

The lowest API level an Android app supports is configured via android:minSdkVersion.

[Android] Unable to create external cache directory error

The Unable to create external cache directory error was fixed by declaring WRITE_EXTERNAL_STORAGE.