Does anybody know how I can group fields in the FSM mobile app? I have a JSON config where I am defining fields in this format:

...
"element": {
        "custrecord_test1": {
			"type": "text",
			"label": "Test1"
		}
		"custrecord_test2": {
			"type": "text",
			"label": "Test2"
		}
}