new to technology and only familiar with androids. Having trouble with my phone 4.2.2 and my tablet

[HELP222]

I've downloaded file managers that disable analytics and even using the ones I have now still aren't preventing these random files with a massive amount of random words and numbers some of which can't be deleted and some that can which more keep on coming.. What's caused me so much concern is I lost two gmail accounts last month and had done a security check on the last one after recovering it said that I had changed my password on September 15 2015 and unless I could afford a delorean and design a flux capacitor like doc that should be impossible.. The people I live with are shady people and could be snooping in my business and I've already lost all my music and family photos, I'm tired and frustrated and probably have to buy a new phone since my screen now has a heartbeat... I also found this evil little remote control looking device that when turned on goes into search mode and drains network signals around it and files pop up on my phone example "RINUX F" it might be my step mother causing this mess. Also Will going super droid help when it comes to my Wi-Fi only tablet.. PS I've done 3 factory data resets on the phone bought new sd card and 2 factory data resets on my tablet and new sd card which seems to have only cost me time and money just to fail miserably...

 

[B. Diddy]

Welcome to Android Central! If you do a factory reset, go immediately to the Play Store (after finishing the Setup Wizard) and stop any app from automatically installing (or, if the Setup Wizard asks you if you want to restore all of your apps, say no), so that you can start with a clean slate. Also, make sure your Google account is secured with 2-step authentication: https://www.google.com/landing/2step/

Then start reinstalling apps. Only install from the Google Play Store, and avoid apps that have to do with gambling, "free" music/video downloads, or porn. Be careful with games that are clear knockoffs of other really popular games, and avoid "RAM booster/cleaner" apps, since they often load you up with adware and other junk.

Also, make sure your devices have good screen locks. Never leave your device screen unlocked, unless it's in your hand.

It's always possible for people to snoop via wi-fi, especially if your wi-fi network isn't password protected. But unless they're skilled hackers, I doubt they can install malware remotely on your device. If you're really worried about this, use your phone's mobile data connection, not the home wi-fi network.