How to generate graphhopper graph on android device from spatilite database

I have a databse table which my street data is stored as an spatilite database. I can read those data as wkb how can I convert them into a graph so I can use that graph in graphhoper. the problem is that those data in database might be changes so I have to update graph on clients device. is it possible?
A keyword or example helps me alot

Mobile devices with so many low / medium configurations probably are not suitable for cpu / ram intensive processes, like creating graphs.

On Android cannot push the VM size without going native and so large graphs creation would be difficult.

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My graph is for a small city. what options do I have to make graphs except client device? for example can I use python to make graphs and transfer them to users phone?