- Before you sell your used phone or tablet, remember to remove the SD card and perform a factory reset under
Settings-Backup & reset. - You don't really need antivirus software on your Android device. You are quite safe if you always pay attention to apps' permissions.
- Just switch off your internet connection whenever you want an ad-free experience. Most ads (e.g. AdMob) won't show up then.
- The most popular app stores in China include those from Baidu, Taobao, Xiaomi and Tencent.