register_rest_route error messages

I have installed this plugin on my WordPress 5.5 and i am getting tons of error messages regarding missing REST API route.

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Deprecated: Array and string offset access syntax with curly braces is deprecated in /wp-content/plugins/androapp/pw_mobile_settings.php on line 1471

Notice: register_uninstall_hook was called incorrectly. Only a static class method or function can be used in an uninstall hook. Please see Debugging in WordPress for more information. (This message was added in version 3.1.0.) in /wp-includes/functions.php on line 5225

Deprecated: Array and string offset access syntax with curly braces is deprecated in /wp-content/plugins/androapp/pw_mobile_settings.php on line 1471

Notice: register_uninstall_hook was called incorrectly. Only a static class method or function can be used in an uninstall hook. Please see Debugging in WordPress for more information. (This message was added in version 3.1.0.) in /wp-includes/functions.php on line 5225

Notice: Undefined index: default-post-push-notification in /wp-content/plugins/androapp/androapp_functions.php on line 153

Notice: Undefined index: notification-custom-post-typepost in /wp-content/plugins/androapp/androapp_functions.php on line 157

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androappconfig is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androappauthcheck is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androapp/add/(?P\d+)/comments_new is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/gcm/register/(?P.+) is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androappaddtocart is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androapp/addtocart/bulk is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androappaddaddress is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androappapplycoupon is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androappremovecoupon is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androappaddshippingmethod is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androappupdatecart is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androappremovefromcart is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androappgetcart is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androappgetstates is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androappcart is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androapp/woo/customers is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androapp/woo/me is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androappgetproducts is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androapp/woo/order is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androappcreateorder is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/androapppayment is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/posts/slug is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: register_rest_route was called incorrectly. The REST API route definition for androapp/v2/posts is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /wp-includes/functions.php on line 5225

Notice: Undefined index: share_function_name in /wp-content/plugins/androapp/androapp_functions.php on line 607

Notice: Undefined offset: 0 in /wp-content/plugins/androapp/androapp_utils.php on line 16

Notice: Undefined index: loadurl_postids in /wp-content/plugins/androapp/androapp_functions.php on line 305

Notice: Undefined index: preprocessed_postids in /wp-content/plugins/androapp/androapp_functions.php on line 306

Notice: Undefined index: postprocessed_postids in /wp-content/plugins/androapp/androapp_functions.php on line 307

Notice: Undefined index: loadimages_postids in /wp-content/plugins/androapp/androapp_functions.php on line 308

Notice: Undefined index: failover_post_content in /wp-content/plugins/androapp/androapp_functions.php on line 685

Warning: Cannot modify header information – headers already sent by (output started at /wp-includes/functions.php:5225) in /wp-admin/admin-header.php on line 9

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I am keen to try it out and make sure its stable before i pay for this plugin.

Can you guys please review these issues and fix the ASAP.

Cheers,