Hi There!
Thank you for bringing this to our attention. We value your query regarding if the Galaxy Tab A7 is a touchscreen. In line with this, navigating the device is via touching the screen.
For more information, please visit the user manual on Pages 10, 125, 25, and 26:
https://downloadcenter.samsung.com/content/UM/202011/20201111215558948/WIF_SM-T500_SM-T505_EN_UM_Q_10.1_FINAL.pdf
Should you need more assistance, you may reach us via the following for immediate support:
1. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
2. Facebook Messenger: http://m.me/samsungsupport
3. Twitter: https://twitter.com/messages/compose?recepient_ id=18768513
Reference Number: 1144314506
Thank you for choosing Samsung. Have a great day!
^Chrystel