To change your Skillz account information, go to the main menu (3 horizontal lines in the upper-right corner of any Skillz game), tap Account and then Personal Info.
To edit your email address on your Skillz account, set a different email address to your Primary, or remove outdated email addresses, please tap on the Edit button beside your current email.
To edit your phone number, please tap the flag icon and select your country of residence. This will automatically set your country code and flag. From there, simply type your phone number (area code first).
Once you have reviewed your name, phone number, email address, and mailing address, tap Update to save.