Not much more to it than that. Try this. double click the home button. This will bring up all the apps you have running, in a strip at the bottom. Swipe along until you find Voice Memos. Hold the icon on the bottom strip until they show a red circle, tap the voice memo icon again and it will disappear. You have quit the app. Start the app again. Press the icon on the bottom right (3 horizontal stripes) tap your saved recording (turns blue and shows length of recording as a strip at the bottom). Tap again to play, make sure you have the app's volume turned up.