Here the log for the issue where the last Click action gets executed, the later app gets force closed in device & Appium keeps on waiting for the alert message.
2016-09-07 07:48:15:126 - info: [debug] [BOOTSTRAP] [debug] Got command of type ACTION
2016-09-07 07:48:15:126 - info: [debug] [BOOTSTRAP] [debug] Got command action: getAttribute
2016-09-07 07:48:15:158 - info: [debug] [BOOTSTRAP] [debug] Returning result: {"value":"true","status":0}
2016-09-07 07:48:15:159 - info: [debug] Responding to client with success: {"status":0,"value":true,"sessionId":"3a20fde2-fbca-47db-a791-d383190d527b"}
2016-09-07 07:48:15:159 - info: <-- GET /wd/hub/session/3a20fde2-fbca-47db-a791-d383190d527b/element/79/displayed 200 36.765 ms - 76 {"status":0,"value":true,"sessionId":"3a20fde2-fbca-47db-a791-d383190d527b"}
2016-09-07 07:48:15:161 - info: --> POST /wd/hub/session/3a20fde2-fbca-47db-a791-d383190d527b/element/79/click {"id":"79"}
2016-09-07 07:48:15:161 - info: [debug] Pushing command to appium work queue: ["element:click",{"elementId":"79"}]
2016-09-07 07:48:15:164 - info: [debug] [BOOTSTRAP] [debug] Got data from client: {"cmd":"action","action":"element:click","params":{"elementId":"79"}}
2016-09-07 07:48:15:165 - info: [debug] [BOOTSTRAP] [debug] Got command of type ACTION
2016-09-07 07:48:15:166 - info: [debug] [BOOTSTRAP] [debug] Got command action: click
2016-09-07 07:48:15:515 - info: [debug] [BOOTSTRAP] [debug] Returning result: {"value":true,"status":0}
2016-09-07 07:48:15:515 - info: [debug] Responding to client with success: {"status":0,"value":true,"sessionId":"3a20fde2-fbca-47db-a791-d383190d527b"}
2016-09-07 07:48:15:516 - info: <-- POST /wd/hub/session/3a20fde2-fbca-47db-a791-d383190d527b/element/79/click 200 354.722 ms - 76 {"status":0,"value":true,"sessionId":"3a20fde2-fbca-47db-a791-d383190d527b"}
2016-09-07 07:48:15:520 - info: --> POST /wd/hub/session/3a20fde2-fbca-47db-a791-d383190d527b/element {"using":"id","value":"android:id/alertTitle"}
2016-09-07 07:48:15:520 - info: [debug] Waiting up to 15000ms for condition
2016-09-07 07:48:15:521 - info: [debug] Pushing command to appium work queue: ["find",{"strategy":"id","selector":"android:id/alertTitle","context":"","multiple":false}]
2016-09-07 07:48:15:525 - info: [debug] [BOOTSTRAP] [debug] Got data from client: {"cmd":"action","action":"find","params":{"strategy":"id","selector":"android:id/alertTitle","context":"","multiple":false}}
2016-09-07 07:48:15:525 - info: [debug] [BOOTSTRAP] [debug] Got command of type ACTION
2016-09-07 07:48:15:525 - info: [debug] [BOOTSTRAP] [debug] Got command action: find
2016-09-07 07:48:15:526 - info: [debug] [BOOTSTRAP] [debug] Finding android:id/alertTitle using ID with the contextId: multiple: false
2016-09-07 07:48:15:526 - info: [debug] [BOOTSTRAP] [debug] Using: UiSelector[INSTANCE=0, RESOURCE_ID=android:id/alertTitle]
2016-09-07 07:48:16:063 - info: [debug] [BOOTSTRAP] [debug] Failed to locate element. Clearing Accessibility cache and retrying.
2016-09-07 07:48:16:064 - info: [debug] [BOOTSTRAP] [debug] Finding android:id/alertTitle using ID with the contextId: multiple: false
2016-09-07 07:48:16:064 - info: [debug] [BOOTSTRAP] [debug] Using: