Hello, hope you are doing well if you are facing difficulties in opening NEET pg all india and state predictor tool you can use following methods

1.you should check storage space because your device might not have enough storage space.

2.app might need to be updated check if it requires any update from the playstore

3.your internet connection must be strong it is possible that device might not be connected to the internet

IF problem persists refresh page and try again,you can also contact us from homepage and specify your problem clearly on email to get your your problem resolved in 24 hours.hope ot helps