App install stats ?

Good point! While I don't report or keep any stats like that, I do have the webserver's access log.

Here's the download count for 2021:

      1 ncstart
      2 flagrse
      2 widnceu
      2 widncr
      3 helloworld
      3 ncfrun
      3 smartibot
      5 mywelcome
      5 openseizure
      6 clickms
      7 doztime
      7 miplant
      7 tilthydro
      8 widid
      9 hamloc
     10 dsdrelay
     12 nato
     12 qmsched
     13 color_catalog
     13 horsey
     15 espruinoctrl
     15 kitchen
     16 tabata
     18 battleship
     18 osgridref
     19 scolor
     19 viewstl
     20 widchime
     21 UI4swatch
     22 gpstimeserver
     22 simplest
     22 widhwt
     23 bluetoothdock
     23 openloc
     24 hrrawexp
     25 jbells
     25 osmpoi
     26 mmonday
     26 omnitrix
     26 route
     26 smtswch
     26 whereworld
     27 batclock
     27 hrings
     28 sweepclock
     29 BLEcontroller
     29 testuserinput
     29 vibrclock
     31 edisonsball
     32 accelrec
     33 berlinc
     33 sclock
     33 wohrm
     34 hidjoystick
     34 widcom
     35 miclock
     36 bclock
     37 1button
     37 hourstrike
     37 intervals
     37 pizzatimer
     37 rndmclk
     37 wclock
     38 cprassist
     38 pparrot
     38 swlclk
     39 morse
     40 hidbkbd
     41 beer
     42 daysl
     42 moonphase
     43 cscsensor
     43 qrcode
     44 petrock
     44 waypointer
     45 buffgym
     45 dotclock
     45 getup
     46 animals
     46 ncrclk
     47 jbm8b
     48 binclock
     49 balltastic
     49 gmeter
     49 widver
     51 hardalarm
     51 hidkbd
     51 life
     52 gpspoilog
     53 blackjack
     53 worldclock
     54 minionclk
     56 widclk
     57 ctrclk
     57 isoclock
     57 mandel
     57 stetho
     57 widmp
     59 oblique
     60 countdowntimer
     61 devstopwatch
     62 chrono
     63 supmariodark
     63 widbatwarn
     65 breath
     65 chargeanim
     65 pomodo
     68 accellog
     68 pong
     69 snake
     71 gesture
     73 de-stress
     73 metronome
     75 lifeclk
     75 swatch
     76 widhrt
     76 widviz
     77 slevel
     80 chronowid
     81 blescan
     81 widgps
     83 fclock
     86 bootgattbat
     86 stepo
     87 widtbat
     91 batchart
     92 widancs
     97 tapelauncher
    101 impwclock
    101 svclock
    102 dclock
    102 pipboy
    103 ballmaze
    103 geissclk
    104 sleepphasealarm
    107 digiclock
    109 astroid
    109 barclock
    111 alpinenav
    112 lazyclock
    112 planetarium
    114 marioclock
    114 walkersclock
    115 rpgdice
    116 astral
    116 mclockplus
    116 numerals
    117 gallifr
    118 clotris
    119 counter
    119 findphone
    119 speedo
    121 miclock2
    124 analogimgclk
    124 calendar
    126 gbmusic
    126 largeclock
    127 torch
    131 animclk
    132 simpletimer
    132 trex
    134 blobclk
    134 widram
    135 dane
    140 demoapp
    140 HRV
    147 calculator
    148 imgclock
    149 dotmatrixclock
    150 gpsautotime
    156 boldclk
    158 speedalt
    158 widpedom
    163 astrocalc
    165 hidcam
    166 gpsservice
    166 slidingtext
    169 bledetect
    173 rclock
    175 hidmsic
    177 flappy
    189 dane_tcr
    192 widhrm
    197 cliock
    198 gpssetup
    198 magnav
    203 fileman
    207 multiclock
    207 verticalface
    218 arrow
    224 weather
    227 aclock
    235 toucher
    236 openstmap
    245 widbatpc
    258 clock2x3
    263 compass
    277 gpsnav
    277 gpstime
    285 dtlaunch
    289 gpsinfo
    309 banglerun
    315 notifyfs
    318 beebclock
    319 heart
    324 welcome
    352 files
    370 widbat
    403 gpsrec
    411 widbt
    425 mclock
    439 locale
    549 hrm
    553 activepedom
    600 alarm
    644 launch
    751 gbridge
    796 notify
    832 boot
    857 about
   1263 setting

Going forward keeping track of this info would be pretty handy though (alongside user ratings)