Best iPhone apps this week

Sonic The Hedgehog 4: Episode II £4.99
If you played Sonic 4: Episode I and wanted well, more Sonic – here he is! Our favourite frantic furball is joined by Tails this time – but die-hard Hedgehog fans might not be best pleased to see them snowboarding or flying when all you want to do is pick up speed and knock stuff over.
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