The whole workspace, thumb-first.

kolu runs on phones and tablets, not as a cut-down view but as the same workspace re-shaped for a thumb. Two things decide the layout, and they’re independent: the viewport size (a phone gets the drawer layout) and the input modality (a touch device gets roomier, ≥24px hit targets). A desktop browser made narrow is not the same as a real phone — kolu keys the layout off the pointer, so a coarse-pointer screen never masquerades as a desktop.

On a phone

• One tile at a time, fullscreen, with swipe navigation between terminals instead of a spatial canvas.
• A two-row soft-key bar sends the keys touch keyboards lack — Esc, Tab, the arrows, Ctrl-C, /, Enter — with two sticky modifiers you tap to arm. The keys reach whichever terminal (or split) actually has focus.
• A bottom-drawer inspector replaces the desktop right panel; pull the chrome down from the top for app controls.

On a tablet or an unfolded foldable

A wide touch screen — an iPad, an Android tablet, a Galaxy Z Fold unfolded — gets its own two-pane layout: a persistent terminal rail down one side, the active terminal filling the rest, with the same touch-sized controls as the phone. It’s neither the phone’s single tile nor the desktop’s mouse-driven canvas; a real mouse still gets the canvas.

Multi-host from a phone

The multi-host engine works everywhere, and the phone can drive it. The pull-down chrome sheet carries a host row: a chip per machine with the same connection dot, identity colour, and amber “needs you” pill you get on desktop, a tap to switch (instant, no reload), and a + that opens a full-width add-machine section right in the sheet. The chrome stays above the canvas in every state, so a still-connecting or unreachable host can never strand you with no way back to the host row.

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