NeoSmartpen SDK 2.0 for Android Platform
javadoc link :https://neosmartpen.github.io/AndroidSDK2.0/docs
SDK Document link :https://neosmartpen.github.io/AndroidSDK2.0/NeoSmartpen_SDK_Android_V2_1_1.pdf
Bluetoohth : references to Link
Bluetooth LE : references to Link
Smaple Code is Link