The most preferred optimizer & cleaner for Android device users worldwide.

Image Locker is the easiest and safest way to protect your important images.

Secure Mobile Sim Application SmSimApp is a complete anti-theft application, the best protection you can get to recover your misplaced, lost or stolen Android device.

PhoneCam, 'Security Cam' with an old mobile phone in your office or home.

How many usernames, passwords and pin codes do you have to remember?

With the Friendly Password Safe you can easily organize all your usernames, passwords and secret notes in one place. And, unlike most password managers that require internet, sdcard or cloud permissions, this one does not require any android permissions at all, nor it displays ads or banners

Automatic device for measuring voice parameters, noise and music
This app will turn your Android into a sensitive device that will measure the parameters of any digital sounds (voices, noises, and music). The device uses a new algorithm that allows you to calculate the numerical parameters of harmonic spectra. The measurements are carried out simultaneously on four independent channels and displayed in an intuitive way.

Automatic device for measuring voice parameters, noise and music.
It should be noted that even though this device allows you to measure the parameters of voices (and hidden emotions), it is not a conventional polygraph. It is a universal measuring instrument, which is designed for a variety of scientific experiments.

Secure your privacy by screenlock and applock. Snaps pictures of intruders. Highest rated Screen Lock on Google Play! ★★★★★

Keep your child safe with 100% free parental control software.

Protect, Optimize, Speedup.
Absolutely free, no Ads, no registration!

CCTV software