[Android] On-screen movement controls are 4-way only; add an 8-way virtual joystick

[noctonca]

The four on-screen movement buttons on the left are impractical for this game: they only offer 4-way control, with no way to hold a diagonal with one finger/thumb.

Request

Replace the 4-button movement pad with a virtual 8-way joystick (analog-style, single-thumb diagonals).

Environment

• CMF Phone 1, Android 15, arm64-v8a build, 1064x480. (Also relevant to touch-only play with no controller attached.)

Notes

• Overlaps thematically with Similar controls to LBA1 Enhanced Edition  #4 (LBA1 Enhanced-Edition-style controls).

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Reported by EPmager (field testing, 2026-07-03).

[galeofperil]

Overlaps thematically with #4 (LBA1 Enhanced-Edition-style controls).

The virtual joystick in LBA1 Enhanced is a proper omnidirectional one. Rather, what’s being suggested here is a virtual joystick with 8 fixed available inputs (4 cardinals + 4 diagonals).

Being able to seamlessly move from a cardinal to a neighbouring diagonal with one finger would allow performing the most straightforward type of movement from the desktop control scheme (turning while advancing).