I don't have any information about the sizes ...
But please be aware that you can not use the main Lightroom edition on an Android device ... can use only Lightroom Mobile.
Yes of course I know what you mean. But this is information from Google store ;-) I only didn´t full understund this AND or it like till ?
• Easily share photos online via social networks, and get feedback from family and friends in beautiful Lightroom web galleries.
• Craft visual stories and animated videos with access to your photos in Adobe Voice and Slate, available from the App Store.
• Access all your Lightroom photos across a growing list of photography apps and services including 500px and more.
• Lightroom is compatible with 7 inch and 10 inch Android tablets.
Note: Adobe Lightroom requires a subscription to the Adobe Creative Cloud Photography plan.
Thank you so much
Yes, it is strange ... there is no such an info on the Adobe page.
I hope that an Android user or an Adobe staff here can help you.