1. Operator 2 blocks
It contains following blocks:
- Json to List String
- List String to Json String
- __ = null
- Map get key ___ in json array form
- Map get key ___ in json object form
- Number >= Number
- Number <= Number
- String + String + String

2. Control 2 blocks
It contains following blocks:
- Handler [name] create new
- new Thread()
- try catch Exception
- Handler [name] post()
- Ternary operator for number variable
- Ternary operator for String variable
- STOP
- While loop
- For loop

3. Firebase Listeners
It contains following blocks
- FirebaseDb get data to Map
- FirebaseDb get data to List Map
- FirebaseQuery LimitToLast __get data to ListMap
- FirebaseQuery LimitToFirst __get data to ListMap
- FirebaseQuery orderByChild __ equal to __ get data to ListMap
- FirebaseDb child __ get data to Map
- FirebaseDb child __ key __ get data to String

How to use?
- Download the zip file
- Unzip it to get json file
- In Sketchware pro, go to Settings –> Block Manager
- Create a new palette with color
- In palette, click on top right corner and click import.
- Select the json file and import all blocks.