Android One was released few days ago and it has gained popularity these days mainly in India. On the other hand, Android Lollipop was also released few days ago and it is now available in few devices only. What are the major differences between Android One and Android Lollipop? What will be the next Android OS by Google?

I have a Samsung Note 3 phone that has Android 4.3. I installed battery doctor on it just to monitor my battery performance. It has been working fine for quite some time but recently battery doctor started displaying notifications that my battery is draining very fast. Even after pressing the optimize button on battery doctor, my battery life is still short. Help me solve this issue

I just noticed the other day that my mobile has a new feature called facial unlocking. Basically what it does is use your face to lock and unlock your mobile phone. I have tried it a few times and it seems to be quite inaccurate. Is there an update that I can apply for it to be more accurate?

I currently read that a mobile can easily be access unauthorizedly and data be leaked. Can anyone tell me the best ways to prevent that from happening to my mobile phone? Also, I read that encrypting the data on mobile phone brings more security. I saw the option on my phone but I am not sure how it works. Can anyone explain it to me?

I have a HP slate tablet running on Android KitKat. I bought the tablet from a friend and now I cannot remove his Google account so that I can use mine. I have tried manually deleting in accounts but it does not work. Recently a friend told me that a factory reset would help. Is that true? How can I do a factory reset?

I am currently selling my old android phone. It is a nexus 4 phone with android 5.0.1 lollipop on-board. I am doing a factory reset on the phone so as to erase all the data. I read online that a factory reset is not enough as data can still be extracted. Can anyone help me to clean the mobile completely?

I am currently facing a problem for my work. I am looking for an app that will allow me to send multiple text to a group of people simultaneously. Also, on top of that, I want people to respond to this group text individually so that the other respondents are unaware of the response of others. Can anyone help me? 

What does noob mean? what is the actual meaning of noob? Help me to understand the word. Can anybody help me to understand the actual meaning of noob?

What is noob? Can anybody help me to understand the meaning of noob?

I have an android phone, I am searching whether it is possible for me to run two OS on a single mobile phone. I have a nexus 4, 8 gig storage and currently has android lollipop on-board. I heard that Ubuntu is currently developing and OS and I would like to try it. Is that possible?