Android 5.0 through Android 9 supports full-disk encryption. Full-disk encryption uses a single encryption key to unlock the encryption used for the device, which is protected by the user’s device password. It protects all of a device’s userdata partition.

Veracrypt Encryption app for Android : crypto Dec 18, 2008 Cellcrypt - Secure, encrypted phone calls and conference calls Military-Grade Encryption for Secure Communications Secure, encrypted phone calls, conference calls and messaging for mobile and desktop With secure, encrypted voice and conference calls, secure messaging and encrypted file transfers, all protected by strong, authenticated, end-to-end encryption, Cellcrypt is the complete solution for trusted DNSCrypt - Official Project Home Page

Cryptography | Android Developers

How to encrypt and decrypt a folder on Android with SSE Dec 14, 2016 AESCrypt for Android (AndroidCrypt) - Apps on Google Play Sep 22, 2018

Jul 13, 2020

Other interesting Android alternatives to TrueCrypt are AES Crypt (Free, Open Source), Boxcryptor (Freemium), EDS (Encrypted Data Store) (Freemium, Open Source) and KodeFile (Free). TrueCrypt is a freeware utility used for on-the-fly encryption (OTFE). How Android Encryption Works | Jun 17, 2019