We begin this week's podcast with updates on two topics we discussed last week: the potential purchase of a UK mobile network by BT - and the crowd-funded Jolla Tablet.

After that we talk about the GSMA's reaction to national roaming, the potential death of the landline, a new threat to Google, management changes and advertising for 4G data.

Mobile ticket and payment specialist Masabi has appointed Brian Zanghi as its Chief Executive Officer and President. He replaces co-founder Ben Whitaker, who will remain with the company as its new Head of Innovation.

Masabi is best known for the mobile ticketing solution it supplies to railways in the UK and the USA.

We have something for everyone in this week's podcast. There's bad news as Samba Mobile closes, bad news as Apple and Samsung suffer product faults... and bad news as wearable devices are criticised for the poor user experience they offer.

Yet there's plenty of good news as well, including the launch of a new UK mobile payment service.

Mobile ticketing is coming to river buses in London, enabling customers to pay for their trip via any compatible smartphone.

Thames Clippers, which runs boat services that serve around three million commuters and visitors every year, has signed a five-year agreement with London-based Masabi.

Mobile transport ticketing specialist Masabi has developed an all-in-one ticket app for rail operator First Great Western.

Customers can download the mobile application to a compatible smartphone or tablet and buy tickets for use with any UK train operator.

Mark Windle, head of marketing at OpenCloud, predicts that this year’s reduction in the number of traditional telecoms operators in some countries will provide an opportunity for other operators to innovate and capture market share in 2016.

He says next year will be a year of rapid change for telecoms… whether it’s MVNO disruption, competitive tariff pricing or simply defence from the ‘dark art’ of hacking.

Mark Bridge writes:

The most memorable moments in life often go unrecorded. You don't have your camera in your hands. Your finger is still hovering over the 'pause' button on your audio recorder. Or you were simply too busy experiencing whatever was happening. It's all about the one that got away.

That's where Kapture can help.

Mark Bridge writes:

James Rosewell shows me a colourful roll of paper that's the width of an iPhone but well over three metres long. When I look closer, I can see it's a printed copy of the Wall Street Journal's mobile website. That's a lot of scrolling to do... and a pretty unfriendly user experience for anyone reading the news online. Why does it work so badly?

In this special feature we're talking to Chris Millington, Doro's MD for UK and Ireland. Doro, which produces easy-to-use mobile phones for older people, is releasing its first touch-screen smartphone this month.

As well as explaining the phone's benefits, Chris also describes the advantages of Doro's tablet and PC software. In addition, we take a few minutes to look at Doro's plans for the future.

In this week's podcast we hear that Comet has gone into administration and that Japanese tech manufacturer Sharp is struggling to survive.

There's also concern about the security of some Android apps, some changes afoot at O2 and a new favourite device at WiFi hotspots.

We're talking about Apple's iPad mini, the new Google Nexus devices and Microsoft's two updated operating systems in our podcast this week.

There's also the launch of 4G from EE, an assortment of quarterly results and some analysis of smartphone sales.

This week we're talking about the UK's first 4G mobile phone tariffs, Ofcom's consultation about contract pricing and O2's response to its recent network outage.

We're also looking at quarterly results from Google and Nokia, Apple's iPad design, Microsoft's tablet pricing and texting cows.

Last week wasn't particularly good for O2 in the UK or for Huawei and ZTE in the United States. In today's podcast we explain why.

There's also a look at newly-independent Vertu, Microsoft's new music service, a mobile-friendly search engine and 5G research in the UK.