How do I create an android spy software: https://www.quora.com/How-do-I-create-an-Android-spy-software
A Comprehensive Walkthrough on Spy Apps for Android: http://bestcellphonespying.com/monitoring-spy-apps-for-android/
How to Spy on a Cell Phone: Android and iPhone: https://bestcellphonespyapps.com/how-to-spy-on-a-cell-phone/
Detailed Installation Instructions http://www.freeandroidspy.com/install-now/detailed-installation-instructions.html
Android 後門程式 GhostCtrl ,可暗中錄音、錄影，還可隨心所欲操控受感染的裝置 https://blog.trendmicro.com.tw/?p=51123
对Android应用植入后门 实现msf控制（附带所需工具和常见坑解决办法） http://www.4hou.com/mobile/8290.html
Create a Persistent Back Door in Android Using Kali Linux: https://null-byte.wonderhowto.com/how-to/create-persistent-back-door-android-using-kali-linux-0161280/
Gain complete control any android phone with ahmyth rat https://null-byte.wonderhowto.com/how-to/gain-complete-control-any-android-phone-with-ahmyth-rat-0180960/
Camera API https://developer.android.com/guide/topics/media/camera
Micophone API https://developer.android.com/guide/topics/media/mediarecorder https://www.tutorialspoint.com/android/android_audio_capture.htm
Filesystem API https://developer.android.com/reference/java/nio/file/FileSystem
Networking API https://developer.android.com/training/basics/network-ops
GeoLocation API https://developer.android.com/guide/topics/location/strategies https://developer.android.com/reference/android/location/LocationManager
Contacts API https://developer.android.com/training/contacts-provider/retrieve-names https://developer.android.com/reference/android/provider/Contacts
Contacts Malware https://github.com/nithinmurali/ClearChat
Microphone Malware https://github.com/davidriff/Jawar/blob/master/app/src/main/java/eu/davidriff/jawar/JawarService.java
More https://github.com/traceflight/Android-Malware-Datasets
Rootkits
https://github.com/hiteshd/Android-Rootkit https://github.com/Nillyr/Rootkit-Android https://github.com/juxing/AdoreForAndroid https://github.com/citypw/suterusu/