If you have read the tutorial How to create fake chats and edit old chats on whatsapp . You will find that most of the steps are same (only the files are different)
Before we start you will need four things :
1. A rooted android device
2. An application that can be used to disable/freeze application ( Link2SD(free)/ Titanium Backup/ Other )
Learn to Disable And Enable App Using Link2SD
Learn to Disable And Enable App Using Titanium Backup
3. A root explorer ( EsFile Explorer(free) / Root Explorer / Other )
4. SQLite Editor
Steps to create a fake status on Whatsapp for any contact present on your Whatsapp
Step 1: Open your Whatsapp, search the contact whose status you want to change and note down his/her phone number.
Step 3: Open EsFile Explorer/ Root Explorer / Other and go to /data/data/com.whatsapp. Now select the databases from the folders present at /data/data/com.whatsapp. A list of databases having extention .db will appear in front of you.
Step 4: Open the database wa.db using SQLite Editor and select wa_contacts (last one).
Step 5: Click on search button present on the top in SQLite Editor and enter the phone number you noted in step 1.
Step 8: Now defrost the frozen Whatsapp using Link2SD/Titanium Backup/ Other, open the Whatsapp you can see the changed status of the contact. The change of status will occur only on your phone.
Use for educational purposes only.