Security VPN: - make your life easier a handy application with many useful features: antivirus, VPN with many countries, phone lock code or fingerprint, block ads and malicious websites in the Internet, Wi-Fi, a safe, secret files, checking for references to security, notification of possible leakage of data (passwords from the cards, accounts) and protection of the SD card, app lock. Improve the performance of the phone at times, and forget about possible viruses and unexpected attacks on the phone.