How can I transfer my game apps onto my 6s without losing any progress?

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How can I transfer my game apps onto my 6s without losing any progress

What is the best way to transfer over my game apps from my LGL2 to my iPhone 6s without losing any progress?

 

[kch50428]

Re: How can I transfer my game apps onto my 6s without losing any progress

It's all up to how developers wrote their apps. If they write apps to support external storage and transfer of user data it should be easy... If that's not supported, there's nothing you can do.