She could go beg Sega to reverse the microtransactions on their end, but if that fails she could always tell Apple that the microtransactions are unauthorized and that they have to reverse them or get sued.
Any crowdfunding site like GoFundMe would happily host a crowdfund for a forced refund lawsuit.
There seriously needs to be laws that allow people to get forced refunds for microtransactions for reasons unrelated to this case.
She could go beg Sega to reverse the microtransactions on their end, but if that fails she could always tell apple that the microtransactions are unauthorized and that they have to reverse them or get sued.
Any crowdfunding site like GoFundMe would happily host a crowdfund for a forced refund lawsuit.