Labour's proposed reforms to the British political system would "make the UK work for Scotland", former prime minister Gordon Brown said yesterday.
The party's plans include a binding veto for Holyrood over devolved issues and the power to join international arrangements like the EU's Erasmus student-exchange scheme.
Labour is also looking at replacing the House of Lords with an elected "assembly of the nations and regions".
Party leader Sir Keir Starmer said they would give the nations a "louder, prouder voice".
The proposals were launched at an event in Leeds, followed by another event in Edinburgh.
They include plans to spread power across the nations of the UK as well as to English regions and local mayors, in what Sir Keir called the "biggest ever transfer of power from Westminster to the British people".
Innovations
The paper - titled A New Britain - says Labour in government would offer "economic, social and constitutional innovations that can make the UK work better for the Scottish people".
Mr Brown told the BBC: "I want the United Kingdom to work for Scotland and Scottish people.
"I want to see a change in the United Kingdom that makes it more attractive for Scottish people to support it and I believe we have come forward with measures to do so."
The ex-Labour leader also would like greater co-operation between governments to deal with shared problems such as pandemics and pollution.
Mr Brown wants to see "new job-creating clusters" developing in Scotland in areas such as precision medicine in Glasgow and the video games industry in Dundee.
The former prime minister called for an overhaul of the Lords, which he said was "the biggest second chamber outside of China".
Civil service jobs
Meanwhile, "thousands" of civil service jobs could be transferred from London to Scotland, with responsibility for job centres to be devolved to a local level.
Taken together Mr Brown said the package "could be more attractive than independence for Scotland".
The UK Supreme Court last month ruled that Holyrood cannot stage a second independence ballot without Westminster's go-ahead.
The SNP has said it could use the next general election as a single-issue campaign on independence, but Mr Brown said his party would be offering "change within Britain rather than change by leaving Britain".
He said: "It may be that the SNP will have a one-line manifesto and want a one-issue general election. But we have done a huge amount of research on Scottish public opinion, and people want a better health service immediately, people want living standards improved immediately, people want jobs for young people immediately, people want better housing immediately, and people want change in the way we are suggesting immediately.
"That is going to be the issue on which we fight - we are offering a plan for economic, social, political and constitutional reform, not a one-issue election."