He didn’t buy the company with the intent to kill it, he didn’t even intend to buy the company at all. He made a joke offer to buy the company and took it to far, so they were able to sue him and force him to buy the company. If anything he hoped to get some trade secrets out of them before withdrawing the offer.
Why not Keepass on a webdav server? Both Keepass on the computer and Keepass2Android can open the file directly. If you save it on one it will merge the changes in any other copies you have open.