Best screen Guard and Filter Apps for android users

                                                

                                             

Privately surf/chat in public place, no more shoulder surfing and visual prying. Block people from peeping into your apps, notifications and private on a subway train, bus, mall, at work or school by using this privacy shade.Surf and respond privately to your sensitive data, emails, work emails, and chats because your nosy neighbours/ coworker sees only a black screen filter! The filter can be set to cover the entire screen, as well; the transparency level is set by swiping a finger across the screen. the filter can be easily turned off and on using a small power button the apps puts on the screen.This app places an adjustable privacy screen onto a part of a phone's display. The user is then able to readjust that screen's size, move the screen to cover the part of the display they want to keep private, and adjust its transparency using a swiping motion. Privacy is important, especially when using something as personal as your smartphone. Whether you're sending work emails, logging into accounts, entering banking details, or something else entirely, obscuring your phone's display is a convenient way to ensure no one sees something they shouldn't.    

Excellent screen blocker

    Hide personal messages/ chats from your boyfriend/ girl friend and not feel pried upon! Turn on the privacy shade from notifications and hide all your sensitive informations from onlookers. Privacy screen provides a draggable window and dims the rest of the screen. while Google play is full of apps that promise to offer this privacy feature, they're not all made the same. The apps asks for read phone state permissions in order to know when a calling is incoming, so as to dim the shade, there have been instances where the phone has been on silent, and we did not know someone was calling because of the shade blocking floating notification.

Features 

• Protect your privacy with privacy screen filter.
• Hide and obscure parts of your screen to block sensitive content, messages, apps and chats.
• Surf apps like Facebook,Instagram and snapchat with using privacy shade in public place.
• Drag the screen filter window to control visible areas and cover rest of screen with a tint.
• Adjust transparency to suit your environment which is also useful for night time reading and acts as on eye protector.
• Privacy screen shade can also be used as night mode and theater mode as screen dimmer to protect your eyes from the excessive brightness.

New update 

     Fixed crash issues in the previous version, Works perfectly well on all device now.
                                               

Another one best app is Screen Guard Privacy Screen it protect your privacy with screen guard, a highly configurable privacy screen. It hide your screen from prying eyes with screenguard. Screen guard protects your privacy applying a screen filter that makes it harder to read your screen, great for when you're reading email, writing an SMS or using the browser. You can select from a wide variety of patterns and colours, and save your settings as profiles that you can easily switch between to get the ideal filter for any situation that requires privacy. In addition to be a privacy screen, by selecting a dark color as the filter, you can also use screen guard as a night mode screen dimmer to reduce eye strain and conserve your battery. Mainly features are, Cover your screen with a pattern or color overlay to protect your privacy. Also works as a night mode screen dimmer, Choose from a variety of patterns for the privacy screen. Easily adjust preferences via notification and on screen controls. And optimized for maximum performance and battery life.
                                                                                  Applink
                                                                                  Applink