The Bonus Challenge is only available in certain regions, but there is no specific list of regions provided [2]. For further assistance, you can contact in-game customer service [1].
The club feature may not be available for you because of your region, or it could have disappeared after an update [1][2]. For further assistance, contact the customer service in-game.
To apply for the PUBG MOBILE content creation program and potentially receive sponsorship, refer to the Community section under Roles in @735483472432594994 for more information [1].