Feature Flag and use in Software Testing

Hi this is Palak Sharma
I am in final year of my engineering. We are planning to develop a software application for final year project, campus interview is also near and this software application will also help in that phase. for testing phase I am learning about Feature Flag and other things, I am little bit confuse about how feature flag can be use and when it should be used in testing phase, can anyone give their suggestions on this, would be a great support in this regards.
Hoping for some positive response.
Thanks

#moved

Hi everyone,
Well I have seen lots of article and post on this subject. I am still researching and learn about feature flag. I have seen over internet where detailed information about Feature Flag is published in very simple language.
It is really helpful for me, if anyone have some other suggestion you can reply, I am waiting.
Thanks

#closed