Hi, I am new to Watch Face Studio. As in the first message I would like to create a custom button. followed the instructions shown above for calculator inserting in the WFS AP ID com.samsung.android.wear.calculator and it worked. I assumed the same for contacts that is I could substitute calculator and insert contacts, but that did not connect. Can someone please forward instructions on how to obtain AP ID in simple language. I am looking for the AP ID for contacts, gallery and other items. Thank you.