If you want to control your mobile device, it literally means that you should be able to change its settings, parameters and themes (wallpapers too), according to your choice. Otherwise, what is the point of buying a device which is restricted? My point is simple. You own your mobile handset and should be able to do what you please with it, or use it as you please.
Inside story of the National Stock Exchange’s amazing success, leading to hubris, regulatory capture and algo scam

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Fiercely independent and pro-consumer information on personal finance.
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Access is given for all articles published during the week (starting Monday) your subscription starts. For example, if you subscribe on Wednesday, you will have access to articles uploaded from Monday of that week.
This means access to other articles (outside the subscription period) are not included.
Articles outside the subscription period can be bought separately for a small price per article.

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Hope this clarifies your doubts.
At one point or other, tablets, phones and laptops will converge. Currently the only difference between tablet/phone and laptop is 1. keyboard, 2. bulk 3. screensize, 4. hardware architecture.
The first three might get solved, but that last one would require industry wide effort to use standardised hardware.