L forget my password

You may have forget your password
you have these three options
1. reset your password using alternate email id
2. reset your password using security questions
3. reset your password using phone number.

Reset your password
Go to the Account support page.
Follow the instructions. You'll be asked some questions to confirm it's your account. Answer as best you can.
Reset your password. Choose a strong password that you haven't already used with this account. Learn how to create a strong password.
I didn't get a password recovery email
Check your Spam or Bulk Mail folders
Add [email protected] to your address book.
Request another email.
Check all email addresses you might've used to sign up or sign in to your account.
If you're having trouble resetting your password, try recovering your Google account.
Change your Google Account password
Create Strong password
Creating strong password
Here is video sulotion
How to reset forgot gmail password 2016

I'm using LEO Privacy to set a password for my phone, andI also set a security question, once I forget my password, I can also use it to find my password back, you can have a try. LEO Privacy Applock Hide Safe Android Apps on Google Play