Softplanet
SHAREit
SHAREit is a file-sharing application developed by SHAREit Technologies Co LTD. As with other file-sharing programs, SHAREit uses a protocol that's 200 times faster than file-sharing over Bluetooth but SHAREit lets you share with more platforms and devices. For example, Android users can easily share their files with iOS users despite many of the restrictions Apple puts on their operating system.
Xender
Xender is a file-sharing application developed by a company of the same name. Since the application's first release in 2017, Xender has quickly grown to become one of the most popular ways to share files between Android devices. The application works by having two users connect to the same Wi-Fi network.
ES File Explorer
ES File Explorer is the standard file explorer application among power users. While most Android phones come with some sort of stock file explorer, ES File Explorer offers additional features that do not come stock. Root users can also use additional features such as editing the system partition, which is not available in the stock app or for non-root users.
Vault
Vault is a privacy application developed by NetQin Mobile. This application allows you to hide files and information on your phone from others. Once you've installed Vault, you'll be able to create a password that hides all of the content you've chosen within Vault.
1.1.1.1: Faster & Safer Internet
If you want to speed up internet on your phone, then 1.1.1.1. is the app for you. This app not only will bring you increased speed for web browsing, it also will help to boost your security.
zANTI
Zanti is a security application developed by Zimperium. This application lets you get more information about how secure the network you're connected to is. Once you install Zanti, you'll be able to start a security analysis.