Add FAQ section

README.md

@@ -2,10 +2,10 @@
 
 ![image](https://user-images.githubusercontent.com/96280/163298419-6279f338-069e-4302-971f-b9d2e5fc9f7a.png)
 
-# How does it work?
+## How does it work?
 It pretends to be the [Just Dance Controller app](https://play.google.com/store/apps/details?id=com.ubisoft.dance.justdance2015companion), sends movements of the Joy-Con to your game console.
 
-# Features
+## Features
 - Play Just Dance 2017 and later on Xbox/Stadia/PS/NSW with Joy-Cons.
 - Playing with a Joy-Con (+ its strap) is safer and more comfortable than holding a phone.
 - No latency.
@@ -19,14 +19,14 @@ It pretends to be the [Just Dance Controller app](https://play.google.com/store/
   - Stadia (not tested)
   - Playstation 4/5 (not tested)
 
-# Tested on
+## Tested on
 - JD 2022 on Xbox Series X and JD 2020 on Nintendo Switch.
 - MacOS Catalina 10.15 with [TP-Link Bluetooth 4.0 Nano USB Adapter UB400](https://www.tp-link.com/us/home-networking/usb-adapter/ub400/).
 - Raspberry Pi Zero 2 W with [MPOW BH519A Bluetooth 5.1 USB Adapter](https://www.xmpow.com/products/mpow-bh519a-bluetooth-5-1-usb-adapter-for-pc).
   
 Tested on Zero 2 W with 2 Joy-Cons and it worked just fine.
 
-# Requirements
+## Requirements
 - PC/Mac/Linux with bluetooth support.
 - [Python 3.7+](https://www.python.org) and [pip](https://pip.pypa.io/en/stable/installation/) installed.
 - 1 to 6 Joy-Cons.
@@ -34,14 +34,14 @@ Tested on Zero 2 W with 2 Joy-Cons and it worked just fine.
   - Use a Bluetooth dongle, because built-in Bluetooth sucks (or you will get disconnected constantly while playing). Make sure you buy a dongle with game controllers support, not just for audio devices. Not all dongles support Mac/Linux, so remember to check compatibility before buying.
   - Use a Nintendo Switch to update Joy-Con to the latest firmware & calibate its motion sensors. Ask your friends or bring it to the game shop if you don't have one.
 
-# Installation
+## Installation
 
 1. Download the latest version and extract it into a folder.
 2. Open that folder in Terminal/Command Prompt, then run this command:
 ```
 pip3 install -r requirements.txt
 ```
-### Extra steps for Linux users
+#### Extra steps for Linux users
 
 1. Linux users may need to use [`hid`](https://github.com/apmorton/pyhidapi) instead of [`hidapi`](https://github.com/trezor/cython-hidapi) (not sure why `hidapi` couldn't find Joy-Cons on Linux).
 ```
@@ -75,7 +75,7 @@ sudo udevadm trigger
 
 3. Install [`dkms-hid-nintendo`](https://github.com/nicman23/dkms-hid-nintendo) (Joy-Con driver) if you're running Linux kernel older than 5.16.
 
-# Usage
+## Usage
 
 1. Open the phone pairing screen on Just Dance.
 
@@ -114,3 +114,19 @@ sudo udevadm trigger
 7. Press the "Connect" button next to Joy-Con to start the pairing process.
 
 8. 💃🕺
+
+## FAQ
+1. **What is the correct way to hold a Joy-Con?**  
+  Hold the Joy-Con (L)/(R) in your right hand, with your palm touching the back of Joy-Con.
+  
+2. **How to control with Joy-Con (L)?**
+    - Up = X
+    - Right = A
+    - Down = B
+    - Left = Y
+    - L = R
+    - ZL = ZR
+    - Minus = Plus
+
+3. **How to exit JoyDance?**  
+  Press `Ctrl + C` two times or close the Terminal window.