You receive it from either Dawn of Lucas after finishing the cycling road, on route 207.
You probably have it already. It's in the Poketech and it's called a "Dowsing Machine". It's the one that looks like the screen is cut into fourths. You have to click it in different places and it will pinpoint the position of different items.
you receive the Pokemon searcher after beating the elite 4 and champion then go to sandgem town talk to dawn/lucas and she/he will give you the Pokemon searcher
first, you need a Pokemon searcher, and something to catch it with. Go to the volcano, but don't go inside. use the Pokemon searcher until you see a torkoal. Good luck!
Its a Pokemon Searcher that finds hoenn or johto Pokemon after you defeat the elite 4 and talk to Prof.Oak.
There's no such item/pokemon. Do you mean Giratina?
give the item to a Pokemon and then trade that Pokemon.
The Pokeradar is an item that you get in Pokemon Platinum. You get it from Professor Oak after completing the Shinoh Pokedex.
There is no item or Pokemon called an anplogionin in Pokemon Platinum.
Lightball
in rout 228
When looking at the item, it does say "a Pokemon loves this item". It is a hint to give a Pokemon that item. Well that Pokemon is a rhydon. Give a rhydon that item to hold. Trade it and see what happens...
in iron island
no that is nor possile