The OFT said it is investigating a number of "free" web and app-based games with concerns over additional costs from add-on features.
In March, ITV News spoke to Danny Kitchen and his mother Sharon. Danny racked up a £1,700 bill in just a few minutes by unwittingly buying add-ons for a zombie game on his parents' iPad.
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Arthur Hutchinson claims the whole life term amounts to inhumane and degrading treatment, as he has no hope of release.
After a frosty start, southeastern areas will be dry with increasing amounts of sunshine developing. It will remain cold throughout the day.
Higher food and petrol prices are expected to send inflation to its highest level in 28 months when official figures are released later.