Security/Performance

CM Security Lite免费杀毒 更小、更快、更安全 超轻快的杀毒软件 - 专为低于1GB内存的手机（平板）开发，内嵌全球第一的杀毒引擎

Smart Booster 清洁帆船和一键加速您的设备

Norton Clean Clean up your photo library. Delete junk and clutter. Optimize your device.

Nova Security - Virus Cleaner 超级病毒清除器，保持手机安全并保护隐私，超级病毒清除

IObit Applock - 指纹锁、人脸识别锁、伪装锁 最简单易用的APP上锁工具！ 人脸识别锁和新加入的指纹锁&屏幕锁全面保护您的隐私，给手机和平板多重隐私安全保护！

Key Chain OPPO · 工具

MCBackup - My Contacts Backup 我的联系人备份是最简单的方法来备份和恢复您的联系人。

Lost Android 失去了你的Android？我们将帮助你找到它。见http://www.androidlost.com

YsxLite YsxLite: Easily manage your camera and watch live video.

Virus Cleaner, Antivirus, Cleaner (MAX Security) MAX安全和防病毒：清除病毒，删除垃圾，清理手机，保护手机。

Permission manager OPPO · 应用

GO Locker - theme & wallpaper GO Dev Team X · 个性化

AppLocker Protect & lock my apps. Applock with Fingerprint, PIN, Pattern.

App Lock Master – Lock Apps 使用 PIN 码锁定应用程序，模式锁定。抓住入侵者并保护您的隐私。

Dr.Web Security Space Comprehensive protection from all types of threats for Android mobile devices

JioSecurity Your power against threats to digital life .

Dr.Capsule: Antivirus Cleaner All-in-one security: Antivirus, anti-phishing, virus scan & phone cleaner.

< 1 GB RAM Memory Booster Cleans highest amount of RAM than any other app does, install now to know more !

MAX App Locker with使用密码锁定您的应用程序。告别隐私泄露！

JuiceDefender - battery saver Reclaim your battery! Save power and extend battery life with JuiceDefender

Mein o2 "My o2" - consumption display, invoice, contract data, offers & loyalty benefits

安兔兔AI评测 (Beta) 一键评测手机的AI性能！

Partitions Backup & Restore Backup your important partitions to avoid any data or IMEI corruption

Samsung Security Policy Update 安全策略更新工具更新SE的安全策略文件為Android。

内存加速器 - 记忆卡加速器 - 手机加速，内存检测＆加速 想提升手机运作速度，更好管理内存？内存加速器帮你解决。内存检测，开机加速，垃圾清理，安卓内存卡加速首选程序，让手机恢复如新！

Battery Saver 2 IGNIS GROUP · 工具

SecurityLogAgent Samsung Electronics Co., Ltd. · 工具

Calculator Photo Vault: Hide P 🔒 Disguised Gallery Vault & Photo Locker to Hide and Backup Your Private Photos

PIA VPN: Residential Proxy IP PIA VPN Super Unlimited WiFi Security Proxy for Over 350 Million Residential IPs

Anti-theft alarm Anti-theft alarm can protect your phone from theft and unauthorized access.