I thought I would through together a list of good privacy tools for Android: You can use ctrl-f to skip to the sections you want by searching for these terms: 1) Section I - Suites 2) Section II - Encryption 3) Section III - Basic Protection (non-encryption) 4) Section IV - Anti-Virus/Privacy 5) Section V - Secure Wipe 6) Section VI - Encrypted Calls 7) Section VII - Articles Section I - Suites (Multiple tools by one author or group): #1 The Guardian Project The Guardian Project is a a suite of apps (open source). These apps include: NoteCipher: OrBot: OrWeb: Gibberbot: Obscuracam: ProxyMob: #2 In The Clear #3 Whispersys Whispersys was start by Moxie Marlinspike and hosts a series of Android apps including: WhisperCore: *NOTE whispercore is a custom rom that adds Full Disk Encryption and is only for the Nexus S and Nexus One* WhisperMonitor 0.1 NOTE whispercore is a custom rom that adds Full Disk Encryption and is only for the Nexus S and Nexus One* Flashback 0.1: RedPhone 0.4 TextSecure 0.5 Section II - Encryption: #1 K-9 and APG: #2 Keypass Droid: LUKS Encryption on Android: *Note Requires rooting your phone and linux knowledge* LUKS Manager: *Needs Root* OI Safe: Section III - Basic Protection (non-encryption) #3 App Protector: Section IV - Anti-Virus/Privacy WebRoot Secure Anywhere: #2 Lookout Mobile Security: (**Note there are a LOT of these antivirus apps and almost every vendor has one so I wont list them all. These two seem to be the most popular**) Privacy Blocker: Section V - Secure Wipe: #1 AutoWipe: #2 SHREDroid: Section VI - Encrypted Calls: *Please note I have NOT tested these personally. I am posting based on user reviews and have no way of knowing if they are trustworthy as far as cryptography goes* CellCrypt: *RedPhone is posted under whispersys* Section VII - Articles You Should Read: Lockdown your Mobile Phone Hardware Guide by The Guardian Project Safermobile Wiki Mobile Security Risks Why you should always encrypt your phone The Issues with Screen Locks and Smudges Google's Privacy and Family safety page Please post any other tools you like! I will add them to the list. I hope this helps someone else like these tools have helped me.