# ScreenLock Pro

> Turn off the screen with sleek animation by on-screen floating power button.

Canonical page: [https://chrome-stats.com/d/jp.gr.java\_conf.soboku.blackout](https://chrome-stats.com/d/jp.gr.java_conf.soboku.blackout)

## Overview

- **ID:** `jp.gr.java_conf.soboku.blackout`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Soboku Apps
- **Category:** TOOLS
- **Downloads:** 699
- **Version:** 1.8.0
- **Last updated:** 2026-08-26
- **First published:** 2023-07-20
- **Publisher country:** JP
- **Size:** 22 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=jp.gr.java_conf.soboku.blackout)
- **Website:** [https://sobokuapps.github.io/](https://sobokuapps.github.io/)
- **Privacy policy:** [https://simpleeasyusefull.wixsite.com/privacypolicy](https://simpleeasyusefull.wixsite.com/privacypolicy)

## Description

ScreenLock Pro allows you to turn off the screen with a single tap of the on-screen floating power button.<br><br>The floating button is always visible on the screen, whether you are running any other application, so you can turn off the screen with a single tap the screen without using the (physical) power button on your device.<br>This app is useful when you do not want to use the physical buttons, such as when the power button is hard to press or not responding well.<br><br>* FEATURES<br>✓ Tap the floating button on the screen to turn off the screen<br>✓ Can move the floating button freely<br>✓ Customize the long tap action<br>　- lock/unlock button position<br>　- Show power menu<br>✓ Support different sizes and themes of the floating button<br>✓ Show an animation when turned off the screen<br>✓ Support different animations<br>✓ Work with double-tap on the back (quick-tap) or gesture of the assistant (*only on supported devices) <br><br>* PRO FEATURES (Need Pro Key (Unlocker))<br>✓ No ads<br>✓ All themes for the floating button<br>✓ Auto hide<br>✓ All animations<br>✓ All vibration patterns<br>✓ All sounds<br>✓ Always play sound<br><br>If you like this app, Please consider to buy a Pro key.<br><br>[Special access permission]<br>This app uses accessibility services to turn off the screen, show an on-screen floating button, and show/hide a floating button while specified apps are running in the foreground

## Rankings

- #1,269,777 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.google.android.gms.permission.AD_ID`
- `jp.gr.java_conf.soboku.blackout.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Similar extensions and apps

- [Screen Lock Pro](https://chrome-stats.com/d/com.iglint.android.screenlockpro) — 30,455 users, 4.44 / 5
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- [Smart Screen Off/On Screen Off](https://chrome-stats.com/d/com.muchoswagapps.smartscreenoffon) — 105,000 users, 2.75 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/jp.gr.java_conf.soboku.blackout)