Several games in the Google Play Store have been removed by Google for containing malware.<br />According to Business Insider, the games were all driving simulators.<br />The games required users to download an extra app that could then gain full network access to a user's device.<br />If you've downloaded one of the apps, your best bet is to first back up photos, text messages, and any other important data.<br />Then, do a full factory reset of your device. <br />