@Roy5606
Thank you for joining HP Forums.
This is a great place to get support, find answers to your technical queries.
I understand that you have questions on SD card, need not worry I'll be glad to assist you.
The SD card supported on your HP 10 Tablet G2 - 2301 is 1MicroSD (support up to 64GB)
There is no option to save app on an SD card.
Keep me posted, how it goes!
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Have a great day!
Cheers:)
Raj1788
I am an HP Employee