Step 1: Open the WMAppManifest.xml from the properties Folder via Solution Explorer. Step 2: Check the ‘Support for Large Tiles’ Checkbox.
Step 3: Select the different images for small, medium and Large Tiles.
Step 4: Run the Application and sweep it from the Start Menu. After that press and hold the application Icon and click on ‘pin to start’.
Step 5: Now check the start menu. It will look like this.
Step 6: Now re-size the Tile by clicking on the arrow after pressing and holding the application Icon .