What is the Nurse Companion application, how does it work?

According to the introduction of JUDE ARKO, Nurse Companion is a Medical app on the Android platform. There is currently a 1.2 version released on Oct 08, 2017, you can see the details below.

*Nursing Procedures/Component task in:
General Nursing (with requirements)
Psychiatric Nursing
Midwifery
*2017 NANDA Nursing Diagnosis
*Licensure Objective Tests
*Common Lab Values
*Nursing Abbreviations
*IV Fluids and Uses

What's new in version 1.2 Optimized