help

I don't know if i am at the right section but since this is discussion i am hoping that somebody can explain this error I've got whenever i tried to open the file inside zipped folder. I'm using 'es file explorer & androzip (free version). Pls need an answer thanks in advance!

Could anyone unsign this APK for me, please? Because I don't have a PC right now.

Does anyone know how to code a webpage? I'm stuck on trying to make something do what I want but can't get it to work at all.... If you do I will post my code and tell you what I'm trying to do! Hope someone can help me :/

Hi everyone...Can u please help me root my phone.. Phone Name:LG h324t leon Android Version:5.1.1 Ive Tried all methods like king root, kingo root, towel root, frama root, vroot, also in pc mode but none works :( please if anyone have an idea..