What is the Bengali GK WBPSC application, how does it work?

According to the introduction of Sana Edutech, Bengali GK WBPSC is a Education app on the Android platform. There is currently a 1.05 version released on Sep 25, 2017, you can see the details below.

West Bengal State Public Service Commission (WBPSC) Exam - India

Exam preparation app for West Bengal India State Government jobs.

Several hundred questions of West Bengal and India, properly categorized in multiple subject sections for you to learn !

- Coverage of questions covering wide variety of subjects
- Focusing on India, West Bengal History/Geography, World events,
- Science, Day-to-day GK all for competitive exams & general awareness.

App features :
- Fast UI, Best in class user-interface presented in Android app Quiz format
- App designed to work for all screens - Phones & Tablets
- Review your answers against right answers - Learn fast
- Detail reports on your performance of all quiz attended
- No limits on quiz, retry any number of times

Subjects covered:

- General knowledge - Awareness (GK)
Including, Sports, Places, Events, etc
- Indian Polity (Political system)
- Basic economics & commerce Q/A (GK)
- Indian Freedom movement
- Indian History
- West Bengal History & Geography
- Indian Geography
- Science subjects include Physics, Chemistry, Botany, Zoology

This app shall certainly benefit candidates preparing for exams that include
- West Bengal Group 1, 2, 3, 4 Recruitment
- Staff Selection Commission SSC in West Bengal

Make sure that third-party apps are allowed on your device: go to Menu->Settings->Security-> and check "Unknown Sources"

Tap the APK file. Allow the app any required permissions it asks for. Then, at the bottom of the installer window, click INSTALL.

You'll see a confirmation the app is installed. Now you'll see the app available in your list of installed apps.