KE-chaindoes allow you to use maps in order to pin specific locations. In case you are not able to pin points of interest on a map inside the application, the most likely reason is that your GPS is turned off on your tablet. This page will provide a some quick instructions in order to activate the GPS functionality and use KE-chain at its full potential.
If you are using an iPad, iPhone or iPod touch what you have to is the following:
Go to Settings > Privacy > Location Service;
Make sure that Location Services is on;
Scroll down in order to find the browser you are using to work with KE-chain;
Tap the browser and select an option:
While Using: Allows access to Location Services only when the app or one of its features is visible on screen.
Always: Allows access to your location even when the app is in the background.
On a Samsung tablet, there are multiple options based on the operating system it is running on. Therefore, please refer to this page in order to find the steps applicable to your tablet.