By test run on Galaxy S6 in 2016:

• When unlocked 100 times a day, BuzzScreen consumes 0.28% (7mAh - when the maximum capacity of battery is 2,500mAh) more than using the default Android System Lockscreen

• When unlocked 100 times a day, BuzzScreen consumes 2.4% (62mAh - when the maximum capacity of battery is 2,500mAh) more than not using any lockscreen.

• Avg : 0.6MB/day

• Max : 12MB/day - only in case when users see the lockscreen 60 times a day

  • one image : 100KB

BuzzScreen caches up to the first and second images and cache when users scroll.

We DO NOT collect "personally identifiable information (e.g, phone number, e-mail address, etc.)" of users. We collect non-identifiable data such as ...

• Google Advertising ID

• Android ID

• Device Language (e.g, English, Japanese)

• Device Manufacturer

• Device Model

• Telecom Operator

• Operating System / Operating System Version

• User Agent

• Gender (if any)

• Age (if any)

• Locale Information (if any)

• Application Installed (if any)

• etc.

Yes, it is required for targeting.

GAID and encrypted Android device information will be used to measure ad performance and to prevent abusing. Developers should pass 'user ID' for reward payment and 'gender and age' information for targeting. Please refer to the Privacy Policy and Terms of Use of Buzzvil for detailed information.