I got sound working on my phone. I just downloaded the sound pack YHACS, extracted the sound files to a new directory inside the Nethack directory called sounds, and then edited my configuration file to add the following:
SOUNDDIR=sounds
SOUND=MESG "This door is locked." "lock.wav" 100
SOUND=MESG "The door resists!" "door1.wav" 100
SOUND=MESG "The door opens." "door2.wav" 100
SOUND=MESG "You hear a door open." "door2.wav" 50
SOUND=MESG "The door closes." "door3.wav" 100
SOUND=MESG "it crashes open" "crack.wav" 100
SOUND=MESG "The door crashes open" "crack.wav" 100
SOUND=MESG "The door splinters!" "crack.wav" 100
SOUND=MESG "door shatters" "crack.wav" 100
SOUND=MESG "WHAMMM!!!" "whammm.wav" 100
SOUND=MESG "You carefully open the " "creak.wav" 50
SOUND=MESG "Hmmm, it seems to be locked." "lock.wav" 75
SOUND=MESG "slams open" "slams.wav" 100
SOUND=MESG "break open the lock" "crack.wav" 100
SOUND=MESG "THUD!" "thud.wav" 100
SOUND=MESG "Klunk!" "metal.wav" 100
SOUND=MESG "move the boulder" "boulder.wav" 100
SOUND=MESG "You finish eating" "munch.wav" 100
SOUND=MESG "lack of food" "moan.wav" 100
SOUND=MESG "needs food, badly!" "moan.wav" 75
SOUND=MESG "You are beginning to feel hungry." "moan.wav" 50
SOUND=MESG "You are beginning to feel weak." "moan.wav" 75
SOUND=MESG "puts you to sleep" "yawn.wav" 100
SOUND=MESG "put to sleep by" "yawn.wav" 100
SOUND=MESG "Yak - dog food!" "yak.wav" 100
SOUND=MESG "vomit" "vomit.wav" 100
SOUND=MESG "Blecch!" "blecch.wav" 100
SOUND=MESG "Maud" "maud.wav" 100
SOUND=MESG "crumbles and turns to dust" "crumble.wav" 100
SOUND=MESG "You begin to memorize the runes" "book.wav" 100
SOUND=MESG "You swing your through thin air." "air.wav" 100
SOUND=MESG "You kick at empty space." "air.wav" 100
SOUND=MESG "You attack thin air." "air.wav" 100
SOUND=MESG "Snap!" "snap.wav" 100
SOUND=MESG "You succeed in cutting away" "rocks.wav" 100
SOUND=MESG "You make an opening in the" "rockl.wav" 100
SOUND=MESG "You start digging downward" "rockl.wav" 100
SOUND=MESG "This wall is too hard" "vault.wav" 100
SOUND=MESG "The boulder fills a pit." "fills.wav" 100
SOUND=MESG "glows silver" "harp.wav" 100
SOUND=MESG "glows blue" "harp.wav" 100
SOUND=MESG "surrounded by a shimmering light" "shimmer.wav" 100
SOUND=MESG "Magical energies course through " "shimmer.wav" 100
SOUND=MESG "glows black" "black.wav" 100
SOUND=MESG "You feel like someone is helping" "helping.wav" 100
SOUND=MESG "coalesces in your mind" "helping.wav" 100
SOUND=MESG "door shatters" "crack.wav" 100
SOUND=MESG "shatter" "shatter.wav" 100
SOUND=MESG "breaks into shards" "shatter.wav" 100
SOUND=MESG "applause" "applause.wav" 100
SOUND=MESG "You bought " "register.wav" 100
SOUND=MESG " gold pieces." "coins.wav" 100
SOUND=MESG "You hear someone counting money." "coinsfall.wav" 50
SOUND=MESG "Your purse feels lighter." "coins.wav" 25
SOUND=MESG "punished for your misbehavior" "chain.wav" 100
SOUND=MESG "magic missilehits" "missile.wav" 100
SOUND=MESG "lightning bolthits" "lightning.wav" 100
SOUND=MESG "magic missilebounces" "missile.wav" 100
SOUND=MESG "lightning boltbounces" "lightning.wav" 100
SOUND=MESG "The bounces!" "bounces.wav" 100
SOUND=MESG "blinded by the flash" "camera.wav" 100
SOUND=MESG "You hit the" "hit1.wav" 100
SOUND=MESG "You smite the" "hit1.wav" 100
SOUND=MESG "You kick the" "hit1.wav" 100
SOUND=MESG "You destroy the" "hit2.wav" 100
SOUND=MESG "You kill the" "hit2.wav" 100
SOUND=MESG "The hits" "scream1.wav" 100
SOUND=MESG "The bites" "growl.wav" 100
SOUND=MESG "bits the" "hit1.wav" 100
SOUND=MESG "bites the" "growl.wav" 100
SOUND=MESG "Ouch!" "ouch.wav" 100
SOUND=MESG "You get zapped" "spark.wav" 100
SOUND=MESG "You miss the" "swing.wav" 100
SOUND=MESG "The misses" "swing.wav" 100
SOUND=MESG "You are splashed by" "slop.wav" 100
SOUND=MESG "You die..." "evil.wav" 100
SOUND=MESG "gush of water hits" "gush.wav" 100
SOUND=MESG "You hear the splashing of a naiad." "naiad.wav" 100
SOUND=MESG "You hear bubbling water." "bubbs.wav" 100
SOUND=MESG "You hear a strange wind." "wind.wav" 100
SOUND=MESG "You hear a slow drip" "drip.wav" 100
SOUND=MESG "a monster behind the boulder" "bison.wav" 100
SOUND=MESG "Water gushes forth" "water.wav" 100
SOUND=MESG "You fall into water!" "dive.wav" 100
SOUND=MESG "almost hit by" "almost.wav" 100
SOUND=MESG "You are hit by a dart" "dart.wav" 100
SOUND=MESG "You are hit by an arrow" "arrow.wav" 100
SOUND=MESG "You feel self-knowledgeable..." "magic1.wav" 100
SOUND=MESG "You the presence of" "magic1.wav" 100
SOUND=MESG "nose tingles and you smell" "sniff.wav" 100
SOUND=MESG "movingfaster" "faster.wav" 100
SOUND=MESG "You speed up." "faster.wav" 100
SOUND=MESG "You hearnoises in the distance." "skrap.wav" 50
SOUND=MESG "howling of the CwnAnnwn..." "howling.wav" 100
SOUND=MESG "cool draught refreshes you" "draught.wav" 100
SOUND=MESG "You feel very attracted to" "crowd-groan.wav" 100
SOUND=MESG "You make a lot of noise" "noise.wav" 100
SOUND=MESG "You hear a gurgling noise." "gurgling.wav" 100
SOUND=MESG "gushes up from the drain" "gurgling.wav" 100
SOUND=MESG "You hear cash register." "register.wav" 75
SOUND=MESG "You hear the footsteps" "footsteps.wav" 75
SOUND=MESG "You hear a crashing sound" "crack.wav" 50
SOUND=MESG " suddenly disappears!" "beam.wav" 50
SOUND=MESG "teleporter trap" "beam.wav" 100
SOUND=MESG "explosion" "explosion.wav" 100
SOUND=MESG "bear trap closes" "beartrap.wav" 100
SOUND=MESG "KABOOM!!" "kaboom.wav" 100
SOUND=MESG "Yecch! You've been creamed" "cream.wav" 100
SOUND=MESG "opening the tin" "tin.wav" 100
SOUND=MESG "more confident in your skills" "circus.wav" 100
SOUND=MESG "You are now more skilled in " "circus.wav" 100
SOUND=MESG "ghost touches you" "ghost1.wav" 100
SOUND=MESG "You destroy ghost!" "ghost2.wav" 100
SOUND=MESG "You missghost" "swing.wav" 100
SOUND=MESG "ghost misses" "swing.wav" 100
SOUND=MESG "Welcome to experience level" "firework.wav" 100
SOUND=MESG "Welcome to" "shopdoor.wav" 100
SOUND=MESG "Welcome again to" "shopdoor.wav" 100
SOUND=MESG "Delphi" "fanfare.wav" 100
SOUND=MESG "monkey stole" "monkey.wav" 100
I got sound working on my phone. I just downloaded the sound pack YHACS, extracted the sound files to a new directory inside the Nethack directory called
sounds, and then edited my configuration file to add the following:YHACS: https://xoomer.virgilio.it/pid/