Settings: mokee modify

Change-Id: Ieb69e98631c3f45d888b6bbb91acbd30e1c18009
move helper to external

Change-Id: If755a434d5cd4337e0faeb0f41b81425b2b126cd

move helper to external

Change-Id: I12d4811e819373b545c812e5b8768fe8e4ca1ee6
Settings: code cleanup

Change-Id: I0d5b121f2efac67eb518c3c3ffb182788265bc3c