Got it working on the editor but not on Android. Does this log provide enough information to find out the problem? Thanks a lot!!
AndroidPlayer(ADB@127.0.0.1:34999) Purchase failed because Purchasing was not initialized correctly
UnityEngine.DebugLogHandler:Internal_Log(LogType, String, Object)
UnityEngine.DebugLogHandler:LogFormat(LogType, Object, String, Object[ ])
UnityEngine.Logger:Log(LogType, Object)
UnityEngine.Debug:LogError(Object)
UnityEngine.Purchasing.IAPButtonStoreManager:InitiatePurchase(String) (at H:\Unity\ELGOOG\Assets\Plugins\UnityPurchasing\script\IAPButton.cs:247)
UnityEngine.Purchasing.IAPButton:PurchaseProduct() (at H:\Unity\ELGOOG\Assets\Plugins\UnityPurchasing\script\IAPButton.cs:93)
UnityEngine.Events.InvokableCall:Invoke() (at /Users/builduser/buildslave/unity/build/Runtime/Export/UnityEvent.cs:165)
UnityEngine.Events.UnityEvent:Invoke() (at /Users/builduser/buildslave/unity/build/Runtime/Export/UnityEvent_0.cs:58)
UnityEngine.UI.Button:Press() (at C:\buildslave\unity\build\Extensions\guisystem\UnityEngine.UI\UI\Core\Button.cs:36)
UnityEngine.UI.Button:OnPointerClick(PointerEventData) (at C:\buildslave\unity\build\Extensions\guisystem\UnityEngine.UI\UI\Core\Button.cs:45)
UnityEngine.EventSystems.ExecuteEvents:Execute(IPointerClickHandler, BaseEventData) (at C:\buildslave\unity\build\Extensions\guisystem\UnityEngine.UI\EventSystem\ExecuteEvents.cs:50)
UnityEngine.EventSystems.ExecuteEvents:Execute(GameObject, BaseEventData, EventFunction`1) (at C:\buildslave\unity\build\Extensions\guisystem\UnityEngine.UI\EventSystem\ExecuteEvents.cs:261)
UnityEngine.EventSystems.StandaloneInputModule:ProcessTouchPress(PointerEventData, Boolean, Boolean) (at C:\buildslave\unity\build\Extensions\guisystem\UnityEngine.UI\EventSystem\InputModules\StandaloneInputModule.cs:318)
UnityEngine.EventSystems.StandaloneInputModule:ProcessTouchEvents() (at C:\buildslave\unity\build\Extensions\guisystem\UnityEngine.UI\EventSystem\InputModules\StandaloneInputModule.cs:228)
UnityEngine.EventSystems.StandaloneInputModule:Process() (at C:\buildslave\unity\build\Extensions\guisystem\UnityEngine.UI\EventSystem\InputModules\StandaloneInputModule.cs:211)
UnityEngine.EventSystems.EventSystem:Update() (at C:\buildslave\unity\build\Extensions\guisystem\UnityEngine.UI\EventSystem\EventSystem.cs:294)