Answered: i have rooted my ag chrome selfie & am asking on how can i instal a new castom rom? & whch custom rom is the best?

The AG Chrome Selfie rom or firmware or flash file is offered here http://roms.satechhelp.co.za/product/ag-chrome-selfie-firmwarerom/ 

To download the firmware on to the AG Chrome Selfie, you will need: 
You will need the SP Flash Tool 
MTK VCOM driver 
A computer

1. Download and extract both the SP Flash Tool and the ROM or firmware
2. Luanch the SP Flash Tool
3. Click Scatter loading
4. Navigate to the ROM folder and double click the MT6571 scatter .txt file
5. Untick Preloader
6. Click Download
7. Connect the AG Chrome Selfie while off
8. You will get Download OK when done
9. Disconnect and power on