Just create a new account. To reset the account, uninstall the app and then reinstall it. When it ask for your login credentials, just create a new account. For your e-mail, just add a +1 so if your e-mail is lazarus at gmail dot com, just make it lazarus+1 at gmail dot com. Using this method, you have infinite e-mail accounts. I've never seen Grindr verify e-mail address. When you need to try the account to your phone, just remember the login credentials.
Savantsav mentioned Bluestacks as an android emulator, but I use Nox player. The great thing about these android emulators is being able to simulate your location. Great for location privacy; and great for reaching out to different areas of your city. Also with Nox, you can backup and restore the Android image on another computer/laptop, so when you travel, you can take it with you. Kind of cumbersome, but it works.
Using google voice, if Grindr does ask you to verify your phone number; download the google voice android app and just use your virtual Google Voice number. Work on some apps, but not all.