Question Number 16719 by chux last updated on 25/Jun/17
$$\mathrm{what}\:\mathrm{are}\:\mathrm{best}\:\mathrm{apps}\:\mathrm{to}\:\mathrm{use}\:\mathrm{on} \\ $$$$\mathrm{android}\:\mathrm{phones}\:\mathrm{for}\:\mathrm{architectural} \\ $$$$\mathrm{works}? \\ $$